From f3674317ec574acaf3206f86c8a23dc63cc2bcbe Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Marcos=20Garci=CC=81a?= <marcosgdf@gmail.com>
Date: Wed, 22 Aug 2012 23:24:21 +0200
Subject: [PATCH] Removed parenthesis from all require and replaced with single
 quotes

---
 htdocs/adherents/admin/adherent.php                    |  2 +-
 htdocs/adherents/admin/adherent_extrafields.php        |  4 ++--
 htdocs/adherents/admin/mailman.php                     |  2 +-
 htdocs/adherents/admin/public.php                      |  2 +-
 htdocs/adherents/admin/spip.php                        |  2 +-
 htdocs/adherents/agenda.php                            |  2 +-
 htdocs/adherents/card_subscriptions.php                |  2 +-
 htdocs/adherents/cartes/carte.php                      |  2 +-
 htdocs/adherents/cotisations.php                       |  2 +-
 htdocs/adherents/document.php                          |  2 +-
 htdocs/adherents/fiche.php                             |  2 +-
 htdocs/adherents/fiche_subscription.php                |  2 +-
 htdocs/adherents/htpasswd.php                          |  2 +-
 htdocs/adherents/index.php                             |  2 +-
 htdocs/adherents/info.php                              |  2 +-
 htdocs/adherents/info_subscription.php                 |  2 +-
 htdocs/adherents/ldap.php                              |  2 +-
 htdocs/adherents/liste.php                             |  2 +-
 htdocs/adherents/note.php                              |  2 +-
 htdocs/adherents/stats/geo.php                         |  2 +-
 htdocs/adherents/stats/index.php                       |  2 +-
 htdocs/adherents/type.php                              |  2 +-
 htdocs/admin/accounting.php                            |  2 +-
 htdocs/admin/agenda.php                                |  2 +-
 htdocs/admin/agenda_extsites.php                       |  2 +-
 htdocs/admin/agenda_xcal.php                           |  2 +-
 htdocs/admin/barcode.php                               |  2 +-
 htdocs/admin/boxes.php                                 |  2 +-
 htdocs/admin/clicktodial.php                           |  2 +-
 htdocs/admin/commande.php                              |  2 +-
 htdocs/admin/company.php                               |  2 +-
 htdocs/admin/compta.php                                |  2 +-
 htdocs/admin/confexped.php                             |  2 +-
 htdocs/admin/const.php                                 |  2 +-
 htdocs/admin/contract.php                              |  2 +-
 htdocs/admin/delais.php                                |  2 +-
 htdocs/admin/dict.php                                  |  2 +-
 htdocs/admin/dons.php                                  |  2 +-
 htdocs/admin/events.php                                |  2 +-
 htdocs/admin/expedition.php                            |  2 +-
 htdocs/admin/external_rss.php                          |  2 +-
 htdocs/admin/facture.php                               |  2 +-
 htdocs/admin/fckeditor.php                             |  2 +-
 htdocs/admin/fichinter.php                             |  2 +-
 htdocs/admin/fournisseur.php                           |  2 +-
 htdocs/admin/geoipmaxmind.php                          |  2 +-
 htdocs/admin/ihm.php                                   |  2 +-
 htdocs/admin/index.php                                 |  2 +-
 htdocs/admin/ldap.php                                  |  2 +-
 htdocs/admin/ldap_contacts.php                         |  2 +-
 htdocs/admin/ldap_groups.php                           |  2 +-
 htdocs/admin/ldap_members.php                          |  2 +-
 htdocs/admin/ldap_users.php                            |  2 +-
 htdocs/admin/limits.php                                |  2 +-
 htdocs/admin/livraison.php                             |  2 +-
 htdocs/admin/mailing.php                               |  2 +-
 htdocs/admin/mails.php                                 |  2 +-
 htdocs/admin/menus.php                                 |  2 +-
 htdocs/admin/menus/edit.php                            |  2 +-
 htdocs/admin/menus/index.php                           |  2 +-
 htdocs/admin/menus/other.php                           |  2 +-
 htdocs/admin/modules.php                               |  2 +-
 htdocs/admin/notification.php                          |  2 +-
 htdocs/admin/osc-languages.php                         |  2 +-
 htdocs/admin/pdf.php                                   |  2 +-
 htdocs/admin/perms.php                                 |  2 +-
 htdocs/admin/prelevement.php                           |  2 +-
 htdocs/admin/project.php                               |  2 +-
 htdocs/admin/propal.php                                |  2 +-
 htdocs/admin/proxy.php                                 |  2 +-
 htdocs/admin/security.php                              |  2 +-
 htdocs/admin/security_other.php                        |  2 +-
 htdocs/admin/sms.php                                   |  2 +-
 htdocs/admin/stock.php                                 |  2 +-
 htdocs/admin/syslog.php                                |  2 +-
 htdocs/admin/system/about.php                          |  2 +-
 htdocs/admin/system/constall.php                       |  2 +-
 htdocs/admin/system/database-tables-contraintes.php    |  2 +-
 htdocs/admin/system/database-tables.php                |  2 +-
 htdocs/admin/system/database.php                       |  2 +-
 htdocs/admin/system/dbtable.php                        |  2 +-
 htdocs/admin/system/dolibarr.php                       |  2 +-
 htdocs/admin/system/index.php                          |  2 +-
 htdocs/admin/system/modules.php                        |  2 +-
 htdocs/admin/system/os.php                             |  2 +-
 htdocs/admin/system/phpinfo.php                        |  2 +-
 htdocs/admin/system/web.php                            |  2 +-
 htdocs/admin/system/xcache.php                         |  2 +-
 htdocs/admin/system/xdebug.php                         |  2 +-
 htdocs/admin/taxes.php                                 |  2 +-
 htdocs/admin/tools/dolibarr_export.php                 |  2 +-
 htdocs/admin/tools/dolibarr_import.php                 |  2 +-
 htdocs/admin/tools/eaccelerator.php                    |  2 +-
 htdocs/admin/tools/export.php                          |  2 +-
 htdocs/admin/tools/index.php                           |  2 +-
 htdocs/admin/tools/listevents.php                      |  2 +-
 htdocs/admin/tools/listsessions.php                    |  2 +-
 htdocs/admin/tools/purge.php                           |  2 +-
 htdocs/admin/tools/update.php                          |  2 +-
 htdocs/admin/translation.php                           |  2 +-
 htdocs/admin/triggers.php                              |  2 +-
 htdocs/admin/user.php                                  |  2 +-
 htdocs/admin/workflow.php                              |  2 +-
 htdocs/bookmarks/admin/bookmark.php                    |  2 +-
 htdocs/bookmarks/fiche.php                             |  2 +-
 htdocs/bookmarks/liste.php                             |  2 +-
 htdocs/boutique/admin/boutique.php                     |  2 +-
 htdocs/boutique/client/fiche.php                       |  2 +-
 htdocs/boutique/client/index.php                       |  2 +-
 htdocs/boutique/commande/ca.php                        |  2 +-
 htdocs/boutique/commande/fiche.php                     |  2 +-
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 htdocs/boutique/critiques/bestproduct.php              |  2 +-
 htdocs/boutique/critiques/fiche.php                    |  2 +-
 htdocs/boutique/critiques/index.php                    |  2 +-
 htdocs/boutique/index.php                              |  2 +-
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 htdocs/boutique/notification/produits.php              |  2 +-
 htdocs/boutique/produits/index.php                     |  2 +-
 htdocs/boutique/produits/osc-liste.php                 |  2 +-
 htdocs/boutique/promotion/index.php                    |  2 +-
 htdocs/cashdesk/admin/cashdesk.php                     |  2 +-
 htdocs/cashdesk/affIndex.php                           |  2 +-
 htdocs/cashdesk/facturation_dhtml.php                  |  2 +-
 htdocs/cashdesk/facturation_verif.php                  |  2 +-
 htdocs/cashdesk/validation_ticket.php                  |  2 +-
 htdocs/cashdesk/validation_verif.php                   |  2 +-
 htdocs/categories/categorie.php                        |  2 +-
 htdocs/categories/edit.php                             |  2 +-
 htdocs/categories/fiche.php                            |  2 +-
 htdocs/categories/index.php                            |  2 +-
 htdocs/categories/liste.php                            |  2 +-
 htdocs/categories/photos.php                           |  2 +-
 htdocs/categories/viewcat.php                          |  2 +-
 htdocs/comm/action/document.php                        |  2 +-
 htdocs/comm/action/fiche.php                           |  2 +-
 htdocs/comm/action/index.php                           |  2 +-
 htdocs/comm/action/info.php                            |  2 +-
 htdocs/comm/action/listactions.php                     |  2 +-
 htdocs/comm/action/rapport/index.php                   |  2 +-
 htdocs/comm/addpropal.php                              |  2 +-
 htdocs/comm/address.php                                |  2 +-
 htdocs/comm/bookmark.php                               |  2 +-
 htdocs/comm/contact.php                                |  2 +-
 htdocs/comm/fiche.php                                  |  2 +-
 htdocs/comm/index.php                                  |  2 +-
 htdocs/comm/list.php                                   |  2 +-
 htdocs/comm/mailing/cibles.php                         |  2 +-
 htdocs/comm/mailing/fiche.php                          |  2 +-
 htdocs/comm/mailing/index.php                          |  2 +-
 htdocs/comm/mailing/info.php                           |  2 +-
 htdocs/comm/mailing/liste.php                          |  2 +-
 htdocs/comm/multiprix.php                              |  2 +-
 htdocs/comm/propal.php                                 |  2 +-
 htdocs/comm/propal/apercu.php                          |  2 +-
 htdocs/comm/propal/contact.php                         |  2 +-
 htdocs/comm/propal/document.php                        |  2 +-
 htdocs/comm/propal/index.php                           |  2 +-
 htdocs/comm/propal/info.php                            |  2 +-
 htdocs/comm/propal/list.php                            |  2 +-
 htdocs/comm/propal/note.php                            |  2 +-
 htdocs/comm/propal/stats/index.php                     |  2 +-
 htdocs/comm/prospect/index.php                         |  2 +-
 htdocs/comm/prospect/list.php                          |  2 +-
 htdocs/comm/prospect/recap-prospect.php                |  2 +-
 htdocs/comm/recap-client.php                           |  2 +-
 htdocs/comm/remise.php                                 |  2 +-
 htdocs/comm/remx.php                                   |  2 +-
 htdocs/commande/apercu.php                             |  2 +-
 htdocs/commande/contact.php                            |  2 +-
 htdocs/commande/customer.php                           |  2 +-
 htdocs/commande/document.php                           |  2 +-
 htdocs/commande/fiche.php                              |  2 +-
 htdocs/commande/index.php                              |  2 +-
 htdocs/commande/info.php                               |  2 +-
 htdocs/commande/liste.php                              |  2 +-
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 htdocs/commande/orderstoinvoice.php                    |  2 +-
 htdocs/commande/stats/index.php                        |  2 +-
 htdocs/commissions/index.php                           |  2 +-
 htdocs/compta/ajaxpayment.php                          |  2 +-
 htdocs/compta/bank/account.php                         |  2 +-
 htdocs/compta/bank/admin/bank.php                      |  2 +-
 htdocs/compta/bank/annuel.php                          |  2 +-
 htdocs/compta/bank/bankid_fr.php                       |  2 +-
 htdocs/compta/bank/bilan.php                           |  2 +-
 htdocs/compta/bank/budget.php                          |  2 +-
 htdocs/compta/bank/categ.php                           |  2 +-
 htdocs/compta/bank/fiche.php                           |  2 +-
 htdocs/compta/bank/graph.php                           |  2 +-
 htdocs/compta/bank/index.php                           |  2 +-
 htdocs/compta/bank/info.php                            |  2 +-
 htdocs/compta/bank/ligne.php                           |  2 +-
 htdocs/compta/bank/rappro.php                          |  2 +-
 htdocs/compta/bank/releve.php                          |  2 +-
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 htdocs/compta/bank/treso.php                           |  2 +-
 htdocs/compta/bank/virement.php                        |  2 +-
 htdocs/compta/charges/index.php                        |  2 +-
 htdocs/compta/clients.php                              |  2 +-
 htdocs/compta/deplacement/fiche.php                    |  2 +-
 htdocs/compta/deplacement/index.php                    |  2 +-
 htdocs/compta/deplacement/info.php                     |  2 +-
 htdocs/compta/deplacement/list.php                     |  2 +-
 htdocs/compta/deplacement/stats/index.php              |  2 +-
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 htdocs/compta/dons/index.php                           |  2 +-
 htdocs/compta/dons/liste.php                           |  2 +-
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 htdocs/compta/facture/apercu.php                       |  2 +-
 htdocs/compta/facture/contact.php                      |  2 +-
 htdocs/compta/facture/document.php                     |  2 +-
 htdocs/compta/facture/fiche-rec.php                    |  2 +-
 htdocs/compta/facture/impayees.php                     |  2 +-
 htdocs/compta/facture/info.php                         |  2 +-
 htdocs/compta/facture/list.php                         |  2 +-
 htdocs/compta/facture/note.php                         |  2 +-
 htdocs/compta/facture/prelevement.php                  |  2 +-
 htdocs/compta/facture/stats/index.php                  |  2 +-
 htdocs/compta/index.php                                |  2 +-
 htdocs/compta/journal/index.php                        |  2 +-
 htdocs/compta/journal/purchasesjournal.php             |  2 +-
 htdocs/compta/journal/sellsjournal.php                 |  2 +-
 htdocs/compta/localtax/clients.php                     |  2 +-
 htdocs/compta/localtax/fiche.php                       |  2 +-
 htdocs/compta/localtax/index.php                       |  2 +-
 htdocs/compta/localtax/reglement.php                   |  2 +-
 htdocs/compta/paiement.php                             |  2 +-
 htdocs/compta/paiement/avalider.php                    |  2 +-
 htdocs/compta/paiement/cheque/fiche.php                |  2 +-
 htdocs/compta/paiement/cheque/index.php                |  2 +-
 htdocs/compta/paiement/cheque/liste.php                |  2 +-
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 htdocs/compta/paiement/index.php                       |  2 +-
 htdocs/compta/paiement/info.php                        |  2 +-
 htdocs/compta/paiement/liste.php                       |  2 +-
 htdocs/compta/paiement/rapport.php                     |  2 +-
 htdocs/compta/paiement_charge.php                      |  2 +-
 htdocs/compta/payment_sc/fiche.php                     |  2 +-
 htdocs/compta/prelevement/bon.php                      |  2 +-
 htdocs/compta/prelevement/bons.php                     |  2 +-
 htdocs/compta/prelevement/create.php                   |  2 +-
 htdocs/compta/prelevement/demandes.php                 |  2 +-
 htdocs/compta/prelevement/factures.php                 |  2 +-
 htdocs/compta/prelevement/facturesrejets.php           |  2 +-
 htdocs/compta/prelevement/fiche-rejet.php              |  2 +-
 htdocs/compta/prelevement/fiche-stat.php               |  2 +-
 htdocs/compta/prelevement/fiche.php                    |  2 +-
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 htdocs/compta/prelevement/ligne.php                    |  2 +-
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 htdocs/compta/prelevement/rejets.php                   |  2 +-
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 htdocs/compta/recap-compta.php                         |  2 +-
 htdocs/compta/resultat/bilan.php                       |  2 +-
 htdocs/compta/resultat/clientfourn.php                 |  2 +-
 htdocs/compta/resultat/compteres.php                   |  2 +-
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 htdocs/compta/stats/casoc.php                          |  2 +-
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 htdocs/compta/tva/clients.php                          |  2 +-
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 htdocs/compta/tva/quadri.php                           |  2 +-
 htdocs/compta/tva/quadri_detail.php                    |  2 +-
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 htdocs/contact/exportimport.php                        |  2 +-
 htdocs/contact/fiche.php                               |  2 +-
 htdocs/contact/info.php                                |  2 +-
 htdocs/contact/ldap.php                                |  2 +-
 htdocs/contact/list.php                                |  2 +-
 htdocs/contact/perso.php                               |  2 +-
 htdocs/contact/vcard.php                               |  2 +-
 htdocs/core/ajax/bankconciliate.php                    |  2 +-
 htdocs/core/ajax/box.php                               |  2 +-
 htdocs/core/ajax/constantonoff.php                     |  2 +-
 htdocs/core/ajax/contacts.php                          |  2 +-
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 htdocs/core/ajax/loadinplace.php                       |  2 +-
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 htdocs/core/ajax/saveinplace.php                       |  2 +-
 htdocs/core/ajax/security.php                          |  2 +-
 htdocs/core/ajax/vatrates.php                          |  2 +-
 htdocs/core/ajax/ziptown.php                           |  2 +-
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 .../filemanagerdol/browser/default/frmactualfolder.php |  2 +-
 .../filemanagerdol/browser/default/frmcreatefolder.php |  2 +-
 .../core/filemanagerdol/browser/default/frmfolders.php |  2 +-
 .../browser/default/frmresourceslist.php               |  2 +-
 .../core/filemanagerdol/browser/default/frmupload.php  |  2 +-
 .../core/filemanagerdol/connectors/php/connector.php   | 10 +++++-----
 htdocs/core/filemanagerdol/connectors/php/upload.php   |  8 ++++----
 htdocs/core/photos_resize.php                          |  2 +-
 htdocs/core/tools.php                                  |  2 +-
 htdocs/document.php                                    |  2 +-
 htdocs/ecm/docdir.php                                  |  2 +-
 htdocs/ecm/docfile.php                                 |  2 +-
 htdocs/ecm/docmine.php                                 |  2 +-
 htdocs/ecm/docother.php                                |  2 +-
 htdocs/ecm/index.php                                   |  2 +-
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 htdocs/expedition/contact.php                          |  2 +-
 htdocs/expedition/fiche.php                            |  2 +-
 htdocs/expedition/index.php                            |  6 +++---
 htdocs/expedition/liste.php                            |  2 +-
 htdocs/expedition/shipment.php                         |  2 +-
 htdocs/expedition/stats/index.php                      |  2 +-
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 htdocs/fichinter/fiche.php                             |  2 +-
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 htdocs/fourn/ajax/getSupplierPrices.php                |  2 +-
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 htdocs/fourn/commande/dispatch.php                     |  2 +-
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 htdocs/fourn/facture/paiement.php                      |  8 ++++----
 htdocs/fourn/fiche.php                                 |  2 +-
 htdocs/fourn/index.php                                 |  2 +-
 htdocs/fourn/liste.php                                 |  2 +-
 htdocs/fourn/paiement/fiche.php                        |  8 ++++----
 htdocs/fourn/paiement/info.php                         |  2 +-
 htdocs/fourn/product/categorie.php                     |  2 +-
 htdocs/fourn/product/index.php                         |  2 +-
 htdocs/fourn/product/liste.php                         |  2 +-
 htdocs/fourn/product/photos.php                        |  2 +-
 htdocs/fourn/recap-fourn.php                           |  2 +-
 htdocs/ftp/admin/ftpclient.php                         |  2 +-
 htdocs/ftp/index.php                                   |  2 +-
 htdocs/imports/emptyexample.php                        |  2 +-
 htdocs/index.php                                       |  2 +-
 htdocs/livraison/fiche.php                             |  2 +-
 htdocs/margin/agentMargins.php                         |  2 +-
 htdocs/margin/customerMargins.php                      |  2 +-
 htdocs/margin/index.php                                |  2 +-
 htdocs/margin/productMargins.php                       |  2 +-
 htdocs/margin/tabs/productMargins.php                  |  2 +-
 htdocs/margin/tabs/thirdpartyMargins.php               |  2 +-
 htdocs/paybox/admin/paybox.php                         |  2 +-
 htdocs/paypal/admin/paypal.php                         |  2 +-
 htdocs/product/admin/product.php                       |  2 +-
 htdocs/product/admin/product_extrafields.php           |  4 ++--
 htdocs/product/admin/product_tools.php                 |  2 +-
 htdocs/product/ajax/products.php                       |  2 +-
 htdocs/product/composition/fiche.php                   |  2 +-
 htdocs/product/document.php                            |  2 +-
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 htdocs/product/popuprop.php                            |  2 +-
 htdocs/product/price.php                               |  2 +-
 htdocs/product/reassort.php                            |  2 +-
 htdocs/product/stats/commande.php                      |  2 +-
 htdocs/product/stats/commande_fournisseur.php          |  2 +-
 htdocs/product/stats/contrat.php                       |  2 +-
 htdocs/product/stats/facture.php                       |  2 +-
 htdocs/product/stats/facture_fournisseur.php           |  2 +-
 htdocs/product/stats/fiche.php                         |  2 +-
 htdocs/product/stats/propal.php                        |  2 +-
 htdocs/product/stock/fiche-valo.php                    |  2 +-
 htdocs/product/stock/fiche.php                         |  2 +-
 htdocs/product/stock/index.php                         |  2 +-
 htdocs/product/stock/info.php                          |  2 +-
 htdocs/product/stock/liste.php                         |  2 +-
 htdocs/product/stock/mouvement.php                     |  2 +-
 htdocs/product/stock/product.php                       |  2 +-
 htdocs/product/stock/valo.php                          |  2 +-
 htdocs/product/traduction.php                          |  2 +-
 htdocs/projet/contact.php                              |  2 +-
 htdocs/projet/document.php                             |  2 +-
 htdocs/projet/element.php                              |  2 +-
 htdocs/projet/fiche.php                                |  2 +-
 htdocs/projet/index.php                                |  2 +-
 htdocs/projet/liste.php                                |  2 +-
 htdocs/projet/note.php                                 |  2 +-
 htdocs/projet/tasks/document.php                       |  2 +-
 htdocs/projet/tasks/time.php                           |  2 +-
 htdocs/public/agenda/agendaexport.php                  |  2 +-
 htdocs/public/agenda/index.php                         |  2 +-
 htdocs/public/demo/index.php                           |  2 +-
 htdocs/public/donations/donateurs_code.php             |  2 +-
 htdocs/public/donations/index.php                      |  2 +-
 htdocs/public/donations/therm.php                      |  2 +-
 htdocs/public/emailing/mailing-read.php                |  2 +-
 htdocs/public/emailing/mailing-unsubscribe.php         |  2 +-
 htdocs/public/index.php                                |  2 +-
 htdocs/public/members/index.php                        |  2 +-
 htdocs/public/members/new.php                          |  2 +-
 htdocs/public/members/public_card.php                  |  2 +-
 htdocs/public/members/public_list.php                  |  2 +-
 htdocs/public/paybox/index.php                         |  2 +-
 htdocs/public/paybox/newpayment.php                    |  2 +-
 htdocs/public/paybox/paymentko.php                     |  2 +-
 htdocs/public/paybox/paymentok.php                     |  2 +-
 htdocs/public/paypal/index.php                         |  2 +-
 htdocs/public/paypal/newpayment.php                    |  2 +-
 htdocs/public/paypal/paymentko.php                     |  2 +-
 htdocs/public/paypal/paymentok.php                     |  2 +-
 htdocs/societe/admin/societe.php                       |  2 +-
 htdocs/societe/admin/societe_extrafields.php           |  4 ++--
 htdocs/societe/agenda.php                              |  2 +-
 htdocs/societe/ajaxcompanies.php                       |  2 +-
 htdocs/societe/ajaxcountries.php                       |  2 +-
 htdocs/societe/commerciaux.php                         |  2 +-
 htdocs/societe/document.php                            |  2 +-
 htdocs/societe/index.php                               |  2 +-
 htdocs/societe/info.php                                |  2 +-
 htdocs/societe/lien.php                                |  2 +-
 htdocs/societe/note.php                                |  2 +-
 htdocs/societe/notify/fiche.php                        |  2 +-
 htdocs/societe/notify/index.php                        |  2 +-
 htdocs/societe/rib.php                                 |  2 +-
 htdocs/societe/soc.php                                 |  2 +-
 htdocs/theme/phones/smartphone/tpl/menu.tpl.php        |  2 +-
 htdocs/user/clicktodial.php                            |  2 +-
 htdocs/user/fiche.php                                  |  2 +-
 htdocs/user/group/fiche.php                            |  2 +-
 htdocs/user/group/index.php                            |  2 +-
 htdocs/user/group/ldap.php                             |  2 +-
 htdocs/user/group/perms.php                            |  2 +-
 htdocs/user/home.php                                   |  2 +-
 htdocs/user/index.php                                  |  2 +-
 htdocs/user/info.php                                   |  2 +-
 htdocs/user/ldap.php                                   |  2 +-
 htdocs/user/note.php                                   |  2 +-
 htdocs/user/param_ihm.php                              |  2 +-
 htdocs/user/passwordforgotten.php                      |  2 +-
 htdocs/user/perms.php                                  |  2 +-
 htdocs/viewimage.php                                   |  2 +-
 htdocs/webservices/admin/webservices.php               |  2 +-
 465 files changed, 483 insertions(+), 483 deletions(-)

diff --git a/htdocs/adherents/admin/adherent.php b/htdocs/adherents/admin/adherent.php
index 038cc119924..6cea7ce9389 100644
--- a/htdocs/adherents/admin/adherent.php
+++ b/htdocs/adherents/admin/adherent.php
@@ -27,7 +27,7 @@
  *		\brief      Page to setup the module Foundation
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 
diff --git a/htdocs/adherents/admin/adherent_extrafields.php b/htdocs/adherents/admin/adherent_extrafields.php
index 4d647ae7c34..b14042a141e 100755
--- a/htdocs/adherents/admin/adherent_extrafields.php
+++ b/htdocs/adherents/admin/adherent_extrafields.php
@@ -23,7 +23,7 @@
  *		\brief      Page to setup extra fields of members
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
@@ -52,7 +52,7 @@ if (!$user->admin) accessforbidden();
  * Actions
  */
 
-require(DOL_DOCUMENT_ROOT."/core/admin_extrafields.inc.php");
+require DOL_DOCUMENT_ROOT.'/core/admin_extrafields.inc.php';
 
 
 
diff --git a/htdocs/adherents/admin/mailman.php b/htdocs/adherents/admin/mailman.php
index 55d0cefb97c..ce407584391 100644
--- a/htdocs/adherents/admin/mailman.php
+++ b/htdocs/adherents/admin/mailman.php
@@ -27,7 +27,7 @@
  *		\brief      Page to setup the module MailmanSpip (Mailman)
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/mailmanspip.lib.php';
 
diff --git a/htdocs/adherents/admin/public.php b/htdocs/adherents/admin/public.php
index dd20cd6f342..911b1e13f7f 100755
--- a/htdocs/adherents/admin/public.php
+++ b/htdocs/adherents/admin/public.php
@@ -24,7 +24,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
diff --git a/htdocs/adherents/admin/spip.php b/htdocs/adherents/admin/spip.php
index c37a63b246a..2d571d2c615 100644
--- a/htdocs/adherents/admin/spip.php
+++ b/htdocs/adherents/admin/spip.php
@@ -27,7 +27,7 @@
  *		\brief      Page to setup the module MailmanSpip (SPIP)
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/mailmanspip.lib.php';
 
diff --git a/htdocs/adherents/agenda.php b/htdocs/adherents/agenda.php
index 613f3e31894..db8a055e32f 100644
--- a/htdocs/adherents/agenda.php
+++ b/htdocs/adherents/agenda.php
@@ -26,7 +26,7 @@
  *  \brief      Page of members events
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
diff --git a/htdocs/adherents/card_subscriptions.php b/htdocs/adherents/card_subscriptions.php
index bd24d303c9a..99bf68174ae 100644
--- a/htdocs/adherents/card_subscriptions.php
+++ b/htdocs/adherents/card_subscriptions.php
@@ -23,7 +23,7 @@
  *       \brief      Onglet d'ajout, edition, suppression des adhesions d'un adherent
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
diff --git a/htdocs/adherents/cartes/carte.php b/htdocs/adherents/cartes/carte.php
index 433f38843c7..276d0d51116 100755
--- a/htdocs/adherents/cartes/carte.php
+++ b/htdocs/adherents/cartes/carte.php
@@ -22,7 +22,7 @@
  *	\ingroup    member
  *	\brief      Page to output members business cards
  */
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/format_cards.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
diff --git a/htdocs/adherents/cotisations.php b/htdocs/adherents/cotisations.php
index c49f6cc336c..b0a75427697 100644
--- a/htdocs/adherents/cotisations.php
+++ b/htdocs/adherents/cotisations.php
@@ -23,7 +23,7 @@
  *		\brief      Page de consultation et insertion d'une cotisation
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/cotisation.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
diff --git a/htdocs/adherents/document.php b/htdocs/adherents/document.php
index fea4564af41..17b653d6a55 100644
--- a/htdocs/adherents/document.php
+++ b/htdocs/adherents/document.php
@@ -24,7 +24,7 @@
  *  \ingroup    societe
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/adherents/fiche.php b/htdocs/adherents/fiche.php
index 7d46602e069..4abaa9b822e 100644
--- a/htdocs/adherents/fiche.php
+++ b/htdocs/adherents/fiche.php
@@ -24,7 +24,7 @@
  *       \brief      Page of member
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/adherents/fiche_subscription.php b/htdocs/adherents/fiche_subscription.php
index 7541523d292..b870ed6037a 100644
--- a/htdocs/adherents/fiche_subscription.php
+++ b/htdocs/adherents/fiche_subscription.php
@@ -21,7 +21,7 @@
  *       \brief      Page to add/edit/remove a member subscription
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/cotisation.class.php';
diff --git a/htdocs/adherents/htpasswd.php b/htdocs/adherents/htpasswd.php
index 88239d79bc4..607b4104018 100644
--- a/htdocs/adherents/htpasswd.php
+++ b/htdocs/adherents/htpasswd.php
@@ -24,7 +24,7 @@
  *      \author     Rodolphe Quiedeville
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
 // Security check
diff --git a/htdocs/adherents/index.php b/htdocs/adherents/index.php
index 9c50607064c..fff160275bb 100644
--- a/htdocs/adherents/index.php
+++ b/htdocs/adherents/index.php
@@ -24,7 +24,7 @@
  *       \brief      Page accueil module adherents
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
 
diff --git a/htdocs/adherents/info.php b/htdocs/adherents/info.php
index 9aeab2c4b4a..bfa4f885a6a 100644
--- a/htdocs/adherents/info.php
+++ b/htdocs/adherents/info.php
@@ -22,7 +22,7 @@
  *		\brief      Page des informations d'un adherent
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
diff --git a/htdocs/adherents/info_subscription.php b/htdocs/adherents/info_subscription.php
index 471f5bbd0e3..b900abf6867 100644
--- a/htdocs/adherents/info_subscription.php
+++ b/htdocs/adherents/info_subscription.php
@@ -22,7 +22,7 @@
  *		\brief      Page with information of subscriptions of a member
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
diff --git a/htdocs/adherents/ldap.php b/htdocs/adherents/ldap.php
index 2e689a015dc..a97c729a908 100644
--- a/htdocs/adherents/ldap.php
+++ b/htdocs/adherents/ldap.php
@@ -22,7 +22,7 @@
  *       \brief      Page fiche LDAP adherent
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
diff --git a/htdocs/adherents/liste.php b/htdocs/adherents/liste.php
index 44a97269110..93549d1c516 100644
--- a/htdocs/adherents/liste.php
+++ b/htdocs/adherents/liste.php
@@ -23,7 +23,7 @@
  *		\brief      Page to list all members of foundation
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
diff --git a/htdocs/adherents/note.php b/htdocs/adherents/note.php
index c7bd4ffda4b..1870683a02e 100644
--- a/htdocs/adherents/note.php
+++ b/htdocs/adherents/note.php
@@ -22,7 +22,7 @@
  *      \brief      Fiche de notes sur un adherent
 */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
diff --git a/htdocs/adherents/stats/geo.php b/htdocs/adherents/stats/geo.php
index 12d8b685709..fc45ac75dd6 100755
--- a/htdocs/adherents/stats/geo.php
+++ b/htdocs/adherents/stats/geo.php
@@ -21,7 +21,7 @@
  *		\brief      Page with geographical statistics on members
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
 
 $graphwidth = 700;
diff --git a/htdocs/adherents/stats/index.php b/htdocs/adherents/stats/index.php
index d7f1caad32e..9ce039b2375 100644
--- a/htdocs/adherents/stats/index.php
+++ b/htdocs/adherents/stats/index.php
@@ -23,7 +23,7 @@
  *		\brief      Page of subscription members statistics
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherentstats.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/member.lib.php';
diff --git a/htdocs/adherents/type.php b/htdocs/adherents/type.php
index 2f0fecc28b1..3c5150fa7f5 100644
--- a/htdocs/adherents/type.php
+++ b/htdocs/adherents/type.php
@@ -24,7 +24,7 @@
  *		\brief      Member's type setup
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
 
diff --git a/htdocs/admin/accounting.php b/htdocs/admin/accounting.php
index e741bc1e6a9..4928aa2a172 100644
--- a/htdocs/admin/accounting.php
+++ b/htdocs/admin/accounting.php
@@ -22,7 +22,7 @@
  *      \brief      Page de configuration du module comptabilite expert
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load('admin');
diff --git a/htdocs/admin/agenda.php b/htdocs/admin/agenda.php
index e876f902bcc..c0d9d389627 100644
--- a/htdocs/admin/agenda.php
+++ b/htdocs/admin/agenda.php
@@ -23,7 +23,7 @@
  *      \brief      Autocreate actions for agenda module setup page
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 
diff --git a/htdocs/admin/agenda_extsites.php b/htdocs/admin/agenda_extsites.php
index ae7dc13794c..41ac8727563 100644
--- a/htdocs/admin/agenda_extsites.php
+++ b/htdocs/admin/agenda_extsites.php
@@ -22,7 +22,7 @@
  *      \brief      Page to setup external calendars for agenda module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
diff --git a/htdocs/admin/agenda_xcal.php b/htdocs/admin/agenda_xcal.php
index 378cb1af794..5a1ccc3c6df 100644
--- a/htdocs/admin/agenda_xcal.php
+++ b/htdocs/admin/agenda_xcal.php
@@ -22,7 +22,7 @@
  *      \brief      Page to setup miscellaneous options of agenda module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 
diff --git a/htdocs/admin/barcode.php b/htdocs/admin/barcode.php
index 6df94c52c32..c9de48afb95 100644
--- a/htdocs/admin/barcode.php
+++ b/htdocs/admin/barcode.php
@@ -24,7 +24,7 @@
  *	\brief      Page to setup barcode module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formbarcode.class.php';
 
diff --git a/htdocs/admin/boxes.php b/htdocs/admin/boxes.php
index 98c342b321a..d454fe4b95a 100644
--- a/htdocs/admin/boxes.php
+++ b/htdocs/admin/boxes.php
@@ -22,7 +22,7 @@
  *   \brief      Page to setup boxes
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 include_once(DOL_DOCUMENT_ROOT."/core/boxes/modules_boxes.php");
 require_once DOL_DOCUMENT_ROOT.'/core/class/infobox.class.php';
 include_once(DOL_DOCUMENT_ROOT."/core/lib/admin.lib.php");
diff --git a/htdocs/admin/clicktodial.php b/htdocs/admin/clicktodial.php
index a0f96be7ba4..3cb34186bd6 100644
--- a/htdocs/admin/clicktodial.php
+++ b/htdocs/admin/clicktodial.php
@@ -23,7 +23,7 @@
  *   \brief      Page to setup module clicktodial
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/commande.php b/htdocs/admin/commande.php
index 4165b62c368..36c57926c4d 100644
--- a/htdocs/admin/commande.php
+++ b/htdocs/admin/commande.php
@@ -29,7 +29,7 @@
  *	\brief      Setup page of module Order
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 
diff --git a/htdocs/admin/company.php b/htdocs/admin/company.php
index 87fd8f5d112..03309c31c3b 100644
--- a/htdocs/admin/company.php
+++ b/htdocs/admin/company.php
@@ -25,7 +25,7 @@
  *	\brief      Setup page to configure company/foundation
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/admin/compta.php b/htdocs/admin/compta.php
index 55096163d70..86d87117ac1 100644
--- a/htdocs/admin/compta.php
+++ b/htdocs/admin/compta.php
@@ -24,7 +24,7 @@
  *	\brief      Page to setup accountancy module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load('admin');
diff --git a/htdocs/admin/confexped.php b/htdocs/admin/confexped.php
index e18f0aaf3b0..f2cdf0bd22e 100644
--- a/htdocs/admin/confexped.php
+++ b/htdocs/admin/confexped.php
@@ -24,7 +24,7 @@
  *		\brief      Page to setup sending module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/const.php b/htdocs/admin/const.php
index b737d927348..a10738939e6 100644
--- a/htdocs/admin/const.php
+++ b/htdocs/admin/const.php
@@ -23,7 +23,7 @@
  *	\brief      Admin page to define miscellaneous constants
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/contract.php b/htdocs/admin/contract.php
index dc178919110..4678accc1ab 100644
--- a/htdocs/admin/contract.php
+++ b/htdocs/admin/contract.php
@@ -21,7 +21,7 @@
  *	\brief      Setup page of module Contracts
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contrat/class/contrat.class.php';
 
diff --git a/htdocs/admin/delais.php b/htdocs/admin/delais.php
index a669d8e5c27..fe4edb90e2a 100644
--- a/htdocs/admin/delais.php
+++ b/htdocs/admin/delais.php
@@ -23,7 +23,7 @@
  *		\brief      Page to setup late delays
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/dict.php b/htdocs/admin/dict.php
index ff41d6980ec..b6bca0eefeb 100644
--- a/htdocs/admin/dict.php
+++ b/htdocs/admin/dict.php
@@ -28,7 +28,7 @@
  *		\brief      Page to administer data tables
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
diff --git a/htdocs/admin/dons.php b/htdocs/admin/dons.php
index d00630af55c..f04e7d897de 100644
--- a/htdocs/admin/dons.php
+++ b/htdocs/admin/dons.php
@@ -21,7 +21,7 @@
  *		\ingroup    dons
  *		\brief      Page d'administration/configuration du module Dons
  */
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/dons/class/don.class.php';
 
diff --git a/htdocs/admin/events.php b/htdocs/admin/events.php
index 5b13346dce0..b06df9e432e 100644
--- a/htdocs/admin/events.php
+++ b/htdocs/admin/events.php
@@ -21,7 +21,7 @@
  *      \brief      Log event setup page
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/events.class.php';
diff --git a/htdocs/admin/expedition.php b/htdocs/admin/expedition.php
index 9277729f32a..c7a23242583 100644
--- a/htdocs/admin/expedition.php
+++ b/htdocs/admin/expedition.php
@@ -28,7 +28,7 @@
  *	\brief      Page d'administration/configuration du module Expedition
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 
diff --git a/htdocs/admin/external_rss.php b/htdocs/admin/external_rss.php
index 3f9c1a55817..da5f2c36a65 100644
--- a/htdocs/admin/external_rss.php
+++ b/htdocs/admin/external_rss.php
@@ -27,7 +27,7 @@
  *      \brief      Page to setupe module ExternalRss
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/rssparser.class.php';
 
diff --git a/htdocs/admin/facture.php b/htdocs/admin/facture.php
index 817c160861a..6e54456f59e 100644
--- a/htdocs/admin/facture.php
+++ b/htdocs/admin/facture.php
@@ -26,7 +26,7 @@
  *		\brief      Page to setup invoice module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
diff --git a/htdocs/admin/fckeditor.php b/htdocs/admin/fckeditor.php
index 21e537f1ea6..7b978bb5c8d 100644
--- a/htdocs/admin/fckeditor.php
+++ b/htdocs/admin/fckeditor.php
@@ -24,7 +24,7 @@
  *  \brief      Page d'activation du module FCKeditor dans les autres modules
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 
diff --git a/htdocs/admin/fichinter.php b/htdocs/admin/fichinter.php
index de2970a5f4f..7a800152c65 100644
--- a/htdocs/admin/fichinter.php
+++ b/htdocs/admin/fichinter.php
@@ -28,7 +28,7 @@
  *	\brief      Setup page of module Interventions
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 
diff --git a/htdocs/admin/fournisseur.php b/htdocs/admin/fournisseur.php
index cebef187545..d2f5ef39512 100644
--- a/htdocs/admin/fournisseur.php
+++ b/htdocs/admin/fournisseur.php
@@ -27,7 +27,7 @@
  *  \brief      Page d'administration-configuration du module Fournisseur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
diff --git a/htdocs/admin/geoipmaxmind.php b/htdocs/admin/geoipmaxmind.php
index ef41b8801e9..14a8553959d 100644
--- a/htdocs/admin/geoipmaxmind.php
+++ b/htdocs/admin/geoipmaxmind.php
@@ -22,7 +22,7 @@
  *	\brief      Setup page for geoipmaxmind module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgeoip.class.php';
 
diff --git a/htdocs/admin/ihm.php b/htdocs/admin/ihm.php
index f99db823f36..6227aa5fb72 100644
--- a/htdocs/admin/ihm.php
+++ b/htdocs/admin/ihm.php
@@ -22,7 +22,7 @@
  *       \brief      Page to setup GUI display options
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/admin/index.php b/htdocs/admin/index.php
index c7f9e2efa2c..de1a4faab8f 100644
--- a/htdocs/admin/index.php
+++ b/htdocs/admin/index.php
@@ -21,7 +21,7 @@
  *		\brief      Page d'accueil de l'espace administration/configuration
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 $langs->load("admin");
 $langs->load("companies");
diff --git a/htdocs/admin/ldap.php b/htdocs/admin/ldap.php
index e7fb7b15dc9..ba4b76a7e2a 100644
--- a/htdocs/admin/ldap.php
+++ b/htdocs/admin/ldap.php
@@ -26,7 +26,7 @@
  *      \brief      Page d'administration/configuration du module Ldap
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
diff --git a/htdocs/admin/ldap_contacts.php b/htdocs/admin/ldap_contacts.php
index 6ffa7353aec..d1dd88c67a1 100644
--- a/htdocs/admin/ldap_contacts.php
+++ b/htdocs/admin/ldap_contacts.php
@@ -26,7 +26,7 @@
  *  \brief      Page d'administration/configuration du module Ldap
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
diff --git a/htdocs/admin/ldap_groups.php b/htdocs/admin/ldap_groups.php
index ba02aeba3e0..141de8a7d31 100644
--- a/htdocs/admin/ldap_groups.php
+++ b/htdocs/admin/ldap_groups.php
@@ -26,7 +26,7 @@
  *		\brief      Page to setup LDAP synchronization for groups
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
diff --git a/htdocs/admin/ldap_members.php b/htdocs/admin/ldap_members.php
index 0d99a8cc40b..83dcb2c50c4 100644
--- a/htdocs/admin/ldap_members.php
+++ b/htdocs/admin/ldap_members.php
@@ -26,7 +26,7 @@
  *		\brief      Page d'administration/configuration du module Ldap adherent
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
diff --git a/htdocs/admin/ldap_users.php b/htdocs/admin/ldap_users.php
index abb068e299e..909364fb00e 100644
--- a/htdocs/admin/ldap_users.php
+++ b/htdocs/admin/ldap_users.php
@@ -26,7 +26,7 @@
  *		\brief      Page d'administration/configuration du module Ldap
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
diff --git a/htdocs/admin/limits.php b/htdocs/admin/limits.php
index 38f2dcc0858..6fbb135955b 100644
--- a/htdocs/admin/limits.php
+++ b/htdocs/admin/limits.php
@@ -22,7 +22,7 @@
  *       \brief      Page to setup limits
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/price.lib.php';
 
diff --git a/htdocs/admin/livraison.php b/htdocs/admin/livraison.php
index 60b4d189ffa..9a23e3f968d 100644
--- a/htdocs/admin/livraison.php
+++ b/htdocs/admin/livraison.php
@@ -27,7 +27,7 @@
  *      \ingroup    livraison
  *      \brief      Page d'administration/configuration du module Livraison
  */
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/livraison/class/livraison.class.php';
 
diff --git a/htdocs/admin/mailing.php b/htdocs/admin/mailing.php
index 6baab61876d..ccded6ec1c7 100644
--- a/htdocs/admin/mailing.php
+++ b/htdocs/admin/mailing.php
@@ -23,7 +23,7 @@
  *		\brief      Page to setup emailing module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
diff --git a/htdocs/admin/mails.php b/htdocs/admin/mails.php
index c5cf25bf26e..98b91883366 100644
--- a/htdocs/admin/mails.php
+++ b/htdocs/admin/mails.php
@@ -21,7 +21,7 @@
  *       \brief      Page to setup emails sending
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
diff --git a/htdocs/admin/menus.php b/htdocs/admin/menus.php
index d3a3ed0942e..c5b3e378164 100644
--- a/htdocs/admin/menus.php
+++ b/htdocs/admin/menus.php
@@ -23,7 +23,7 @@
  *      \brief      Page to setup menu manager to use
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
diff --git a/htdocs/admin/menus/edit.php b/htdocs/admin/menus/edit.php
index df5b79af766..1dd106a1204 100644
--- a/htdocs/admin/menus/edit.php
+++ b/htdocs/admin/menus/edit.php
@@ -23,7 +23,7 @@
  *		\brief      Tool to edit menus
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/menubase.class.php';
 
diff --git a/htdocs/admin/menus/index.php b/htdocs/admin/menus/index.php
index 2d7b9d697af..800f10a15d7 100644
--- a/htdocs/admin/menus/index.php
+++ b/htdocs/admin/menus/index.php
@@ -23,7 +23,7 @@
  *  \brief      Index page for menu editor
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/treeview.lib.php';
 
diff --git a/htdocs/admin/menus/other.php b/htdocs/admin/menus/other.php
index 5f0a7a5693d..d9e6a2d8baf 100644
--- a/htdocs/admin/menus/other.php
+++ b/htdocs/admin/menus/other.php
@@ -21,7 +21,7 @@
  *      \brief      Menus options setup
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("users");
diff --git a/htdocs/admin/modules.php b/htdocs/admin/modules.php
index 02c2f91b5a7..fd459051604 100644
--- a/htdocs/admin/modules.php
+++ b/htdocs/admin/modules.php
@@ -25,7 +25,7 @@
  *  \brief      Page to activate/disable all modules
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("errors");
diff --git a/htdocs/admin/notification.php b/htdocs/admin/notification.php
index 2ae4edc0fa7..821da019a73 100644
--- a/htdocs/admin/notification.php
+++ b/htdocs/admin/notification.php
@@ -22,7 +22,7 @@
  *		\brief      Page to setup notification module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/triggers/interface_50_modNotification_Notification.class.php';
 
diff --git a/htdocs/admin/osc-languages.php b/htdocs/admin/osc-languages.php
index b6e9bb5c848..a391f06b51e 100644
--- a/htdocs/admin/osc-languages.php
+++ b/htdocs/admin/osc-languages.php
@@ -21,7 +21,7 @@
  * \brief      	Page d'administration/configuration du module Boutique
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/pdf.php b/htdocs/admin/pdf.php
index 29ee436449b..8c9178e895a 100755
--- a/htdocs/admin/pdf.php
+++ b/htdocs/admin/pdf.php
@@ -23,7 +23,7 @@
  *       \brief      Page to setup PDF options
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/admin/perms.php b/htdocs/admin/perms.php
index 0414d3dcfcc..52482b07158 100644
--- a/htdocs/admin/perms.php
+++ b/htdocs/admin/perms.php
@@ -24,7 +24,7 @@
  *		\brief      Page d'administration/configuration des permissions par defaut
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
diff --git a/htdocs/admin/prelevement.php b/htdocs/admin/prelevement.php
index cbcbfa9e97a..fb71396bb6f 100644
--- a/htdocs/admin/prelevement.php
+++ b/htdocs/admin/prelevement.php
@@ -24,7 +24,7 @@
  *	\brief      Page configuration des prelevements
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
diff --git a/htdocs/admin/project.php b/htdocs/admin/project.php
index 616cb29e663..d5da8993efc 100644
--- a/htdocs/admin/project.php
+++ b/htdocs/admin/project.php
@@ -24,7 +24,7 @@
  *  \brief      Page to setup project module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/task.class.php';
diff --git a/htdocs/admin/propal.php b/htdocs/admin/propal.php
index 1e8f28bef25..02b57e63cb2 100644
--- a/htdocs/admin/propal.php
+++ b/htdocs/admin/propal.php
@@ -28,7 +28,7 @@
  *		\brief      Setup page for commercial proposal module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 
diff --git a/htdocs/admin/proxy.php b/htdocs/admin/proxy.php
index 12669b657ee..3b48bba8145 100755
--- a/htdocs/admin/proxy.php
+++ b/htdocs/admin/proxy.php
@@ -21,7 +21,7 @@
  *		\brief      Page  setup proxy to use for external web access
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 
diff --git a/htdocs/admin/security.php b/htdocs/admin/security.php
index 2753e6ab2cb..9acd06e091d 100644
--- a/htdocs/admin/security.php
+++ b/htdocs/admin/security.php
@@ -22,7 +22,7 @@
  *      \brief      Page de configuration du module securite
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
diff --git a/htdocs/admin/security_other.php b/htdocs/admin/security_other.php
index 6940124e7db..22f31b3ff67 100644
--- a/htdocs/admin/security_other.php
+++ b/htdocs/admin/security_other.php
@@ -22,7 +22,7 @@
  *      \brief      Security options setup
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 
diff --git a/htdocs/admin/sms.php b/htdocs/admin/sms.php
index fd38cd32ca5..0406e99d971 100755
--- a/htdocs/admin/sms.php
+++ b/htdocs/admin/sms.php
@@ -21,7 +21,7 @@
  *       \brief      Page to setup emails sending
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("companies");
diff --git a/htdocs/admin/stock.php b/htdocs/admin/stock.php
index 11809d58259..deb55ee311c 100644
--- a/htdocs/admin/stock.php
+++ b/htdocs/admin/stock.php
@@ -23,7 +23,7 @@
  *	\ingroup    stock
  *	\brief      Page d'administration/configuration du module gestion de stock
  */
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/syslog.php b/htdocs/admin/syslog.php
index 7265767aef3..44cf3fb6761 100644
--- a/htdocs/admin/syslog.php
+++ b/htdocs/admin/syslog.php
@@ -23,7 +23,7 @@
  *	\brief      Setup page for logs module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 if (!$user->admin) accessforbidden();
diff --git a/htdocs/admin/system/about.php b/htdocs/admin/system/about.php
index b33b20fd258..9f12412bff7 100644
--- a/htdocs/admin/system/about.php
+++ b/htdocs/admin/system/about.php
@@ -24,7 +24,7 @@
  *       \brief      About Dolibarr File page
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 $langs->load("help");
diff --git a/htdocs/admin/system/constall.php b/htdocs/admin/system/constall.php
index a7c27179818..009156f1a5d 100644
--- a/htdocs/admin/system/constall.php
+++ b/htdocs/admin/system/constall.php
@@ -22,7 +22,7 @@
  *		\brief      Page to show all Dolibarr setup (config file and database constants)
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 $langs->load("user");
diff --git a/htdocs/admin/system/database-tables-contraintes.php b/htdocs/admin/system/database-tables-contraintes.php
index da6623d72f4..a6b8d9fb944 100644
--- a/htdocs/admin/system/database-tables-contraintes.php
+++ b/htdocs/admin/system/database-tables-contraintes.php
@@ -23,7 +23,7 @@
  *       \brief      Page d'info des contraintes de la base
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/system/database-tables.php b/htdocs/admin/system/database-tables.php
index 7dfd6b9f2c8..c01aa0ee07c 100644
--- a/htdocs/admin/system/database-tables.php
+++ b/htdocs/admin/system/database-tables.php
@@ -24,7 +24,7 @@
  *	\brief      Page d'infos des tables de la base
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/system/database.php b/htdocs/admin/system/database.php
index 5bfd44b14ac..e1db5b57d9c 100644
--- a/htdocs/admin/system/database.php
+++ b/htdocs/admin/system/database.php
@@ -23,7 +23,7 @@
  *   \brief      Page with system information of database
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/system/dbtable.php b/htdocs/admin/system/dbtable.php
index bc6cc57405e..7f4bba4729e 100644
--- a/htdocs/admin/system/dbtable.php
+++ b/htdocs/admin/system/dbtable.php
@@ -24,7 +24,7 @@
  *  \brief          Page d'info des contraintes d'une table
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/system/dolibarr.php b/htdocs/admin/system/dolibarr.php
index 2ba5acbbd83..95828249c00 100644
--- a/htdocs/admin/system/dolibarr.php
+++ b/htdocs/admin/system/dolibarr.php
@@ -22,7 +22,7 @@
  *  \brief      Page to show Dolibarr informations
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/memory.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 
diff --git a/htdocs/admin/system/index.php b/htdocs/admin/system/index.php
index 49d7698b496..afe4bd9f2b7 100644
--- a/htdocs/admin/system/index.php
+++ b/htdocs/admin/system/index.php
@@ -22,7 +22,7 @@
  *  \brief      Home page of system information
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/system/modules.php b/htdocs/admin/system/modules.php
index 5e12d40a598..2802818b038 100644
--- a/htdocs/admin/system/modules.php
+++ b/htdocs/admin/system/modules.php
@@ -22,7 +22,7 @@
  *  \brief      File to list all Dolibarr modules
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/system/os.php b/htdocs/admin/system/os.php
index 5659b5769f7..be2f6151e64 100644
--- a/htdocs/admin/system/os.php
+++ b/htdocs/admin/system/os.php
@@ -21,7 +21,7 @@
  *		\brief      Page des infos systeme de l'OS
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/system/phpinfo.php b/htdocs/admin/system/phpinfo.php
index 01ab2a200e3..db4630535de 100644
--- a/htdocs/admin/system/phpinfo.php
+++ b/htdocs/admin/system/phpinfo.php
@@ -22,7 +22,7 @@
  *		\brief      Page des infos systeme de php
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/system/web.php b/htdocs/admin/system/web.php
index 2005b589998..fe8ee87a8e4 100644
--- a/htdocs/admin/system/web.php
+++ b/htdocs/admin/system/web.php
@@ -20,7 +20,7 @@
  *		\brief      Page with web server system information
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/security2.lib.php';
 
diff --git a/htdocs/admin/system/xcache.php b/htdocs/admin/system/xcache.php
index 8fd23b96af0..f2e78363016 100755
--- a/htdocs/admin/system/xcache.php
+++ b/htdocs/admin/system/xcache.php
@@ -20,7 +20,7 @@
  *     \brief      Page administration XCache
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/system/xdebug.php b/htdocs/admin/system/xdebug.php
index 3b829d33ec8..a9f7e6df158 100644
--- a/htdocs/admin/system/xdebug.php
+++ b/htdocs/admin/system/xdebug.php
@@ -20,7 +20,7 @@
  *     \brief      Page administration XDebug
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/taxes.php b/htdocs/admin/taxes.php
index 5df354a86e4..73b69c50505 100644
--- a/htdocs/admin/taxes.php
+++ b/htdocs/admin/taxes.php
@@ -24,7 +24,7 @@
  *     \brief      Page de configuration du module tax
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load('admin');
diff --git a/htdocs/admin/tools/dolibarr_export.php b/htdocs/admin/tools/dolibarr_export.php
index b4d58db5e4a..18dc96e652c 100644
--- a/htdocs/admin/tools/dolibarr_export.php
+++ b/htdocs/admin/tools/dolibarr_export.php
@@ -22,7 +22,7 @@
  *		\brief      Page to export database
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
diff --git a/htdocs/admin/tools/dolibarr_import.php b/htdocs/admin/tools/dolibarr_import.php
index cd2119ca4c8..9ff98757a36 100644
--- a/htdocs/admin/tools/dolibarr_import.php
+++ b/htdocs/admin/tools/dolibarr_import.php
@@ -22,7 +22,7 @@
  * 		\brief      Page to import database
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 $langs->load("other");
diff --git a/htdocs/admin/tools/eaccelerator.php b/htdocs/admin/tools/eaccelerator.php
index 421e677b3d7..52838109c4f 100644
--- a/htdocs/admin/tools/eaccelerator.php
+++ b/htdocs/admin/tools/eaccelerator.php
@@ -20,7 +20,7 @@
  *     \brief      Page administration de eaccelerator
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 
diff --git a/htdocs/admin/tools/export.php b/htdocs/admin/tools/export.php
index 37cbbdb2133..55b9f5302cd 100644
--- a/htdocs/admin/tools/export.php
+++ b/htdocs/admin/tools/export.php
@@ -21,7 +21,7 @@
  *		\brief      Page to export a database into a dump file
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
diff --git a/htdocs/admin/tools/index.php b/htdocs/admin/tools/index.php
index c6d6e6a0aa4..dfbd00d949e 100644
--- a/htdocs/admin/tools/index.php
+++ b/htdocs/admin/tools/index.php
@@ -22,7 +22,7 @@
  * 		\brief      Page d'accueil de l'espace outils admin
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("admin");
 $langs->load("companies");
diff --git a/htdocs/admin/tools/listevents.php b/htdocs/admin/tools/listevents.php
index 38f79af9111..9f44aa42400 100644
--- a/htdocs/admin/tools/listevents.php
+++ b/htdocs/admin/tools/listevents.php
@@ -22,7 +22,7 @@
  *      \brief      List of security events
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/events.class.php';
 
 if (! $user->admin)
diff --git a/htdocs/admin/tools/listsessions.php b/htdocs/admin/tools/listsessions.php
index b08a07bcd35..0233073b7c7 100644
--- a/htdocs/admin/tools/listsessions.php
+++ b/htdocs/admin/tools/listsessions.php
@@ -22,7 +22,7 @@
  *      \brief      List of PHP sessions
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("install");
diff --git a/htdocs/admin/tools/purge.php b/htdocs/admin/tools/purge.php
index 5c0144f7bb1..c4d9c721f6e 100644
--- a/htdocs/admin/tools/purge.php
+++ b/htdocs/admin/tools/purge.php
@@ -21,7 +21,7 @@
  *		\brief      Page to purge files (temporary or not)
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 include_once(DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php');
 
 $langs->load("admin");
diff --git a/htdocs/admin/tools/update.php b/htdocs/admin/tools/update.php
index 567dcfc8323..04c5fb12d6c 100644
--- a/htdocs/admin/tools/update.php
+++ b/htdocs/admin/tools/update.php
@@ -22,7 +22,7 @@
  *		\brief      Page to make a Dolibarr online upgrade
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 include_once $dolibarr_main_document_root."/core/lib/files.lib.php";
 
 $langs->load("admin");
diff --git a/htdocs/admin/translation.php b/htdocs/admin/translation.php
index 24dcac475d1..a62d6b808cb 100755
--- a/htdocs/admin/translation.php
+++ b/htdocs/admin/translation.php
@@ -21,7 +21,7 @@
  *       \brief      Page to show translation information
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("companies");
diff --git a/htdocs/admin/triggers.php b/htdocs/admin/triggers.php
index 489e24d1e6e..a9c42e0bdd6 100644
--- a/htdocs/admin/triggers.php
+++ b/htdocs/admin/triggers.php
@@ -20,7 +20,7 @@
  *       \brief      Page to view triggers
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/interfaces.class.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/user.php b/htdocs/admin/user.php
index 0bdaf27b70d..8b002bd1409 100644
--- a/htdocs/admin/user.php
+++ b/htdocs/admin/user.php
@@ -26,7 +26,7 @@
  *		\brief      Page to setup user module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/admin/workflow.php b/htdocs/admin/workflow.php
index bb2b5137ae9..adf85c8e33b 100755
--- a/htdocs/admin/workflow.php
+++ b/htdocs/admin/workflow.php
@@ -24,7 +24,7 @@
  *	\brief      Workflows setup page
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/bookmarks/admin/bookmark.php b/htdocs/bookmarks/admin/bookmark.php
index 8c19f53cf82..a560abb35b7 100644
--- a/htdocs/bookmarks/admin/bookmark.php
+++ b/htdocs/bookmarks/admin/bookmark.php
@@ -22,7 +22,7 @@
  *		\brief      Page to setup bookmark module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/bookmarks/fiche.php b/htdocs/bookmarks/fiche.php
index dbcc1e998dd..17263261056 100644
--- a/htdocs/bookmarks/fiche.php
+++ b/htdocs/bookmarks/fiche.php
@@ -23,7 +23,7 @@
  */
 
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/bookmarks/class/bookmark.class.php';
 
 $langs->load("other");
diff --git a/htdocs/bookmarks/liste.php b/htdocs/bookmarks/liste.php
index c95a45d0582..8e3d0ea9e92 100644
--- a/htdocs/bookmarks/liste.php
+++ b/htdocs/bookmarks/liste.php
@@ -21,7 +21,7 @@
  *       \ingroup    bookmark
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/bookmarks/class/bookmark.class.php';
 
 
diff --git a/htdocs/boutique/admin/boutique.php b/htdocs/boutique/admin/boutique.php
index d6c0c5f0e6f..d08f03ee993 100644
--- a/htdocs/boutique/admin/boutique.php
+++ b/htdocs/boutique/admin/boutique.php
@@ -26,7 +26,7 @@
  *  \brief      Page d'administration/configuration du module OsCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/boutique/client/fiche.php b/htdocs/boutique/client/fiche.php
index 8dde5dbbf20..6da095e5ce1 100644
--- a/htdocs/boutique/client/fiche.php
+++ b/htdocs/boutique/client/fiche.php
@@ -24,7 +24,7 @@
  *	\brief      Page fiche client OSCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 include_once(DOL_DOCUMENT_ROOT.'/boutique/client/class/boutiqueclient.class.php');
 
diff --git a/htdocs/boutique/client/index.php b/htdocs/boutique/client/index.php
index 9199a60cce2..cc509c2760f 100644
--- a/htdocs/boutique/client/index.php
+++ b/htdocs/boutique/client/index.php
@@ -23,7 +23,7 @@
  * 		\brief      Page gestion client OSCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 $langs->load("companies");
diff --git a/htdocs/boutique/commande/ca.php b/htdocs/boutique/commande/ca.php
index 5c73a2fac6d..9c70d97876b 100644
--- a/htdocs/boutique/commande/ca.php
+++ b/htdocs/boutique/commande/ca.php
@@ -23,7 +23,7 @@
  * 		\brief      Page ca commandes du module OsCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/boutique/commande/fiche.php b/htdocs/boutique/commande/fiche.php
index 4427b9a628f..aa58deac4fc 100644
--- a/htdocs/boutique/commande/fiche.php
+++ b/htdocs/boutique/commande/fiche.php
@@ -24,7 +24,7 @@
  *  \brief      Page fiche commande OSCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 include_once(DOL_DOCUMENT_ROOT.'/boutique/commande/class/boutiquecommande.class.php');
 
diff --git a/htdocs/boutique/commande/index.php b/htdocs/boutique/commande/index.php
index 9d6d29fcb1c..0bf180ae221 100644
--- a/htdocs/boutique/commande/index.php
+++ b/htdocs/boutique/commande/index.php
@@ -23,7 +23,7 @@
  * 		\brief      Page gestion commandes OSCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/boutique/critiques/bestproduct.php b/htdocs/boutique/critiques/bestproduct.php
index 11fb678d83a..b06233575bc 100644
--- a/htdocs/boutique/critiques/bestproduct.php
+++ b/htdocs/boutique/critiques/bestproduct.php
@@ -24,7 +24,7 @@
  * 		\brief      Page affichage meilleures critiques OS Commerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/boutique/critiques/fiche.php b/htdocs/boutique/critiques/fiche.php
index 2a4fbd5a56a..4b652c3ce55 100644
--- a/htdocs/boutique/critiques/fiche.php
+++ b/htdocs/boutique/critiques/fiche.php
@@ -23,7 +23,7 @@
  * 		\brief      Page fiche critique OS Commerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 $id=$_GET["id"];
diff --git a/htdocs/boutique/critiques/index.php b/htdocs/boutique/critiques/index.php
index d50b91db305..66db48a4aab 100644
--- a/htdocs/boutique/critiques/index.php
+++ b/htdocs/boutique/critiques/index.php
@@ -23,7 +23,7 @@
  * 		\brief      Page gestion critiques OSCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/boutique/index.php b/htdocs/boutique/index.php
index c91ca05d5cc..09938bb5d35 100644
--- a/htdocs/boutique/index.php
+++ b/htdocs/boutique/index.php
@@ -22,7 +22,7 @@
  *	\brief      Page accueil zone boutique
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 $langs->load("boutique");
diff --git a/htdocs/boutique/notification/index.php b/htdocs/boutique/notification/index.php
index 27b83cb7de1..3f53913bc88 100644
--- a/htdocs/boutique/notification/index.php
+++ b/htdocs/boutique/notification/index.php
@@ -24,7 +24,7 @@
  * 		\brief      Page gestion notification OS Commerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 $langs->load("products");
diff --git a/htdocs/boutique/notification/produits.php b/htdocs/boutique/notification/produits.php
index 2f1f8108496..cfdf6fe9b83 100644
--- a/htdocs/boutique/notification/produits.php
+++ b/htdocs/boutique/notification/produits.php
@@ -24,7 +24,7 @@
  * 		\brief      Page fiche notification produits OS Commerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/boutique/produits/index.php b/htdocs/boutique/produits/index.php
index 53bb4508d14..da5d7ac80c0 100644
--- a/htdocs/boutique/produits/index.php
+++ b/htdocs/boutique/produits/index.php
@@ -23,7 +23,7 @@
  * 		\brief      Page gestion produits du module OsCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 $langs->load("companies");
diff --git a/htdocs/boutique/produits/osc-liste.php b/htdocs/boutique/produits/osc-liste.php
index f8d32b486cd..c90356dfb58 100644
--- a/htdocs/boutique/produits/osc-liste.php
+++ b/htdocs/boutique/produits/osc-liste.php
@@ -23,7 +23,7 @@
  *		\brief      Page gestion produits du module OsCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/boutique/promotion/index.php b/htdocs/boutique/promotion/index.php
index 470887dde09..dd06226aaac 100644
--- a/htdocs/boutique/promotion/index.php
+++ b/htdocs/boutique/promotion/index.php
@@ -22,7 +22,7 @@
  * 		\brief      Page gestion promotions OSCommerce
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/boutique/osc_master.inc.php';
 
 
diff --git a/htdocs/cashdesk/admin/cashdesk.php b/htdocs/cashdesk/admin/cashdesk.php
index 88183d13eea..ddc72aa795a 100644
--- a/htdocs/cashdesk/admin/cashdesk.php
+++ b/htdocs/cashdesk/admin/cashdesk.php
@@ -22,7 +22,7 @@
  *	\brief      Setup page for cashdesk module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/html.formproduct.class.php';
 
diff --git a/htdocs/cashdesk/affIndex.php b/htdocs/cashdesk/affIndex.php
index 3954fd380ae..0b5e0b2b2f9 100644
--- a/htdocs/cashdesk/affIndex.php
+++ b/htdocs/cashdesk/affIndex.php
@@ -23,7 +23,7 @@
  *	\ingroup    cashdesk
  *	\brief      First page of point of sale module
  */
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/include/environnement.php';
 
 // Test if already logged
diff --git a/htdocs/cashdesk/facturation_dhtml.php b/htdocs/cashdesk/facturation_dhtml.php
index aacee61db6e..d327b2af07c 100644
--- a/htdocs/cashdesk/facturation_dhtml.php
+++ b/htdocs/cashdesk/facturation_dhtml.php
@@ -34,7 +34,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 //if (! defined("NOLOGIN"))        define("NOLOGIN",'1');
 
 // Change this following line to use the correct relative path (../, ../../, etc)
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/include/environnement.php';
 
 //header("Content-type: text/html; charset=UTF-8");
diff --git a/htdocs/cashdesk/facturation_verif.php b/htdocs/cashdesk/facturation_verif.php
index 185e570a084..86be5906cc4 100644
--- a/htdocs/cashdesk/facturation_verif.php
+++ b/htdocs/cashdesk/facturation_verif.php
@@ -16,7 +16,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/include/environnement.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/class/Facturation.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
diff --git a/htdocs/cashdesk/validation_ticket.php b/htdocs/cashdesk/validation_ticket.php
index f9ce2c0be7a..32473e765fc 100644
--- a/htdocs/cashdesk/validation_ticket.php
+++ b/htdocs/cashdesk/validation_ticket.php
@@ -15,7 +15,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/include/environnement.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/class/Facturation.class.php';
 
diff --git a/htdocs/cashdesk/validation_verif.php b/htdocs/cashdesk/validation_verif.php
index 4e73271a9bb..fcd8eda6873 100644
--- a/htdocs/cashdesk/validation_verif.php
+++ b/htdocs/cashdesk/validation_verif.php
@@ -17,7 +17,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/include/environnement.php';
 require_once DOL_DOCUMENT_ROOT.'/cashdesk/class/Facturation.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
diff --git a/htdocs/categories/categorie.php b/htdocs/categories/categorie.php
index c68666d4b8c..48832c0eb86 100644
--- a/htdocs/categories/categorie.php
+++ b/htdocs/categories/categorie.php
@@ -26,7 +26,7 @@
  *  \brief      Page to show category tab
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 
 $langs->load("categories");
diff --git a/htdocs/categories/edit.php b/htdocs/categories/edit.php
index 7e6ed1c3b0d..cec7444503e 100644
--- a/htdocs/categories/edit.php
+++ b/htdocs/categories/edit.php
@@ -24,7 +24,7 @@
  *      \brief      Page d'edition de categorie produit
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 
 
diff --git a/htdocs/categories/fiche.php b/htdocs/categories/fiche.php
index 2a6a1d01e84..987ad62e7bf 100644
--- a/htdocs/categories/fiche.php
+++ b/htdocs/categories/fiche.php
@@ -24,7 +24,7 @@
  *		\brief      Page to create a new category
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 
 $langs->load("categories");
diff --git a/htdocs/categories/index.php b/htdocs/categories/index.php
index d684f58320f..fcde9d3361f 100644
--- a/htdocs/categories/index.php
+++ b/htdocs/categories/index.php
@@ -25,7 +25,7 @@
  *      \brief      Home page of category area
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/treeview.lib.php';
 
diff --git a/htdocs/categories/liste.php b/htdocs/categories/liste.php
index 662ecfdee82..cc642df17e5 100644
--- a/htdocs/categories/liste.php
+++ b/htdocs/categories/liste.php
@@ -22,7 +22,7 @@
  *    \brief      Page liste des categories
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 
 if (!$user->rights->categorie->lire) accessforbidden();
diff --git a/htdocs/categories/photos.php b/htdocs/categories/photos.php
index 9498181ffac..36bd186c627 100644
--- a/htdocs/categories/photos.php
+++ b/htdocs/categories/photos.php
@@ -24,7 +24,7 @@
  *       \brief      Gestion des photos d'une categorie
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/categories.lib.php';
diff --git a/htdocs/categories/viewcat.php b/htdocs/categories/viewcat.php
index 72504f9c19e..8f5a3d1dd3f 100644
--- a/htdocs/categories/viewcat.php
+++ b/htdocs/categories/viewcat.php
@@ -24,7 +24,7 @@
  *       \brief      Page to show a category card
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/categories.lib.php';
 
diff --git a/htdocs/comm/action/document.php b/htdocs/comm/action/document.php
index ffed510ff7b..bde511d28ff 100755
--- a/htdocs/comm/action/document.php
+++ b/htdocs/comm/action/document.php
@@ -25,7 +25,7 @@
  *       \brief      Page of documents linked to actions
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/cactioncomm.class.php';
diff --git a/htdocs/comm/action/fiche.php b/htdocs/comm/action/fiche.php
index f0d64cb33e4..632f6f0cfa9 100644
--- a/htdocs/comm/action/fiche.php
+++ b/htdocs/comm/action/fiche.php
@@ -25,7 +25,7 @@
  *       \brief      Page for event card
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/comm/action/index.php b/htdocs/comm/action/index.php
index c35c14e05a2..70f30002852 100644
--- a/htdocs/comm/action/index.php
+++ b/htdocs/comm/action/index.php
@@ -25,7 +25,7 @@
  *  \brief      Home page of calendar events
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
diff --git a/htdocs/comm/action/info.php b/htdocs/comm/action/info.php
index 32973386be7..09f92d6ef62 100644
--- a/htdocs/comm/action/info.php
+++ b/htdocs/comm/action/info.php
@@ -22,7 +22,7 @@
  *		\brief      Page des informations d'une action
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
diff --git a/htdocs/comm/action/listactions.php b/htdocs/comm/action/listactions.php
index ef2d524a118..1b429736f08 100644
--- a/htdocs/comm/action/listactions.php
+++ b/htdocs/comm/action/listactions.php
@@ -24,7 +24,7 @@
  *		\brief      Page to list actions
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/comm/action/rapport/index.php b/htdocs/comm/action/rapport/index.php
index ac7c2d1ec50..e1154d435a1 100644
--- a/htdocs/comm/action/rapport/index.php
+++ b/htdocs/comm/action/rapport/index.php
@@ -24,7 +24,7 @@
  *		\brief      Page with reports of actions
  */
 
-require("../../../main.inc.php");
+require '../../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
diff --git a/htdocs/comm/addpropal.php b/htdocs/comm/addpropal.php
index b2d06c4e1f7..fa62f751632 100644
--- a/htdocs/comm/addpropal.php
+++ b/htdocs/comm/addpropal.php
@@ -25,7 +25,7 @@
  *	\brief      Page to add a new commercial proposal
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/propale/modules_propale.php';
 if (! empty($conf->projet->enabled)) {
diff --git a/htdocs/comm/address.php b/htdocs/comm/address.php
index af659bd460a..6c36bb91774 100644
--- a/htdocs/comm/address.php
+++ b/htdocs/comm/address.php
@@ -23,7 +23,7 @@
  *      \brief      Tab address of thirdparty
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/address.class.php';
diff --git a/htdocs/comm/bookmark.php b/htdocs/comm/bookmark.php
index 3d3acc182cf..8e581f0cb51 100644
--- a/htdocs/comm/bookmark.php
+++ b/htdocs/comm/bookmark.php
@@ -21,7 +21,7 @@
  */
 
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 
 $sortfield = GETPOST("sortfield",'alpha');
diff --git a/htdocs/comm/contact.php b/htdocs/comm/contact.php
index 4e74ec1c293..d1e29fe5a40 100644
--- a/htdocs/comm/contact.php
+++ b/htdocs/comm/contact.php
@@ -24,7 +24,7 @@
  *      \brief      Liste des contacts
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 $langs->load("companies");
 
diff --git a/htdocs/comm/fiche.php b/htdocs/comm/fiche.php
index 0e2981e36d4..04b79769579 100644
--- a/htdocs/comm/fiche.php
+++ b/htdocs/comm/fiche.php
@@ -27,7 +27,7 @@
  *       \brief      Page to show customer card of a third party
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
diff --git a/htdocs/comm/index.php b/htdocs/comm/index.php
index 305b7513a28..0a76606695e 100644
--- a/htdocs/comm/index.php
+++ b/htdocs/comm/index.php
@@ -23,7 +23,7 @@
  *	\brief      Home page of commercial area
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/client.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
diff --git a/htdocs/comm/list.php b/htdocs/comm/list.php
index 8437ac4e0db..f7da122ad49 100755
--- a/htdocs/comm/list.php
+++ b/htdocs/comm/list.php
@@ -23,7 +23,7 @@
  *	\brief      List of customers
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 
 $langs->load("companies");
diff --git a/htdocs/comm/mailing/cibles.php b/htdocs/comm/mailing/cibles.php
index 3129b2ac0ae..ca691d65753 100644
--- a/htdocs/comm/mailing/cibles.php
+++ b/htdocs/comm/mailing/cibles.php
@@ -23,7 +23,7 @@
  *       \brief      Page to define emailing targets
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/mailings/modules_mailings.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/mailing/class/mailing.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/emailing.lib.php';
diff --git a/htdocs/comm/mailing/fiche.php b/htdocs/comm/mailing/fiche.php
index b81e7a75038..45a13643776 100644
--- a/htdocs/comm/mailing/fiche.php
+++ b/htdocs/comm/mailing/fiche.php
@@ -23,7 +23,7 @@
  *       \brief      Fiche mailing, onglet general
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/emailing.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/CMailFile.class.php';
diff --git a/htdocs/comm/mailing/index.php b/htdocs/comm/mailing/index.php
index 5f4d63baf70..15c823aba57 100644
--- a/htdocs/comm/mailing/index.php
+++ b/htdocs/comm/mailing/index.php
@@ -23,7 +23,7 @@
  *       \brief      Page accueil de la zone mailing
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT .'/comm/mailing/class/mailing.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
diff --git a/htdocs/comm/mailing/info.php b/htdocs/comm/mailing/info.php
index f96de7dfee9..34e987fe032 100644
--- a/htdocs/comm/mailing/info.php
+++ b/htdocs/comm/mailing/info.php
@@ -22,7 +22,7 @@
  *		\brief      Page with log information for emailing
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT .'/comm/mailing/class/mailing.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/emailing.lib.php';
diff --git a/htdocs/comm/mailing/liste.php b/htdocs/comm/mailing/liste.php
index bcd6f3987c6..d9f2cdc1256 100644
--- a/htdocs/comm/mailing/liste.php
+++ b/htdocs/comm/mailing/liste.php
@@ -22,7 +22,7 @@
  *       \brief      Liste des mailings
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/mailing/class/mailing.class.php';
 
 $langs->load("mails");
diff --git a/htdocs/comm/multiprix.php b/htdocs/comm/multiprix.php
index dd394c4f49c..2dd6bf6dc38 100644
--- a/htdocs/comm/multiprix.php
+++ b/htdocs/comm/multiprix.php
@@ -23,7 +23,7 @@
  *	\brief      Onglet choix du niveau de prix
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 
diff --git a/htdocs/comm/propal.php b/htdocs/comm/propal.php
index 84a556c489a..a26164ebfdc 100644
--- a/htdocs/comm/propal.php
+++ b/htdocs/comm/propal.php
@@ -29,7 +29,7 @@
  *	\brief      	Page of commercial proposals card and list
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formpropal.class.php';
diff --git a/htdocs/comm/propal/apercu.php b/htdocs/comm/propal/apercu.php
index afc2f77b04c..5b4fc238342 100644
--- a/htdocs/comm/propal/apercu.php
+++ b/htdocs/comm/propal/apercu.php
@@ -25,7 +25,7 @@
  *  \brief		Page de l'onglet apercu d'une propal
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/propal.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/comm/propal/contact.php b/htdocs/comm/propal/contact.php
index 2a8e4d5715a..6264810c37d 100644
--- a/htdocs/comm/propal/contact.php
+++ b/htdocs/comm/propal/contact.php
@@ -24,7 +24,7 @@
  *       \brief      Onglet de gestion des contacts de propal
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/propal.lib.php';
diff --git a/htdocs/comm/propal/document.php b/htdocs/comm/propal/document.php
index 4ae9fcf15cb..f0b78a81888 100644
--- a/htdocs/comm/propal/document.php
+++ b/htdocs/comm/propal/document.php
@@ -24,7 +24,7 @@
  *       \brief      Page de gestion des documents attaches a une proposition commerciale
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/propal.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/comm/propal/index.php b/htdocs/comm/propal/index.php
index 6257d6a0811..a6c97c67bab 100644
--- a/htdocs/comm/propal/index.php
+++ b/htdocs/comm/propal/index.php
@@ -23,7 +23,7 @@
  *	\brief      Home page of proposal area
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT .'/comm/propal/class/propal.class.php';
 
diff --git a/htdocs/comm/propal/info.php b/htdocs/comm/propal/info.php
index 36e905fe2ea..46fa8dd652b 100644
--- a/htdocs/comm/propal/info.php
+++ b/htdocs/comm/propal/info.php
@@ -23,7 +23,7 @@
  *      \brief      Page d'affichage des infos d'une proposition commerciale
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/propal.lib.php';
diff --git a/htdocs/comm/propal/list.php b/htdocs/comm/propal/list.php
index 5ce0b8130f0..a8bb8278e3a 100644
--- a/htdocs/comm/propal/list.php
+++ b/htdocs/comm/propal/list.php
@@ -29,7 +29,7 @@
  *	\brief      	Page of commercial proposals card and list
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formpropal.class.php';
diff --git a/htdocs/comm/propal/note.php b/htdocs/comm/propal/note.php
index aa370677663..fec1a0d193e 100644
--- a/htdocs/comm/propal/note.php
+++ b/htdocs/comm/propal/note.php
@@ -24,7 +24,7 @@
  *	\brief      Fiche d'information sur une proposition commerciale
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/propal.lib.php';
 
diff --git a/htdocs/comm/propal/stats/index.php b/htdocs/comm/propal/stats/index.php
index 56c0f950e76..dc4d24d5dd1 100644
--- a/htdocs/comm/propal/stats/index.php
+++ b/htdocs/comm/propal/stats/index.php
@@ -24,7 +24,7 @@
  *		\brief      Page des stats propositions commerciales
  */
 
-require("../../../main.inc.php");
+require '../../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propalestats.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
 
diff --git a/htdocs/comm/prospect/index.php b/htdocs/comm/prospect/index.php
index cdfc17039cf..4c598a5871f 100644
--- a/htdocs/comm/prospect/index.php
+++ b/htdocs/comm/prospect/index.php
@@ -23,7 +23,7 @@
  *		\brief      Home page of propest area
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/agenda.lib.php';
 
 $langs->load("propal");
diff --git a/htdocs/comm/prospect/list.php b/htdocs/comm/prospect/list.php
index ff0a6c69323..7dff9bcc60e 100755
--- a/htdocs/comm/prospect/list.php
+++ b/htdocs/comm/prospect/list.php
@@ -24,7 +24,7 @@
  *	\brief      Page to list prospects
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/prospect/class/prospect.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 
diff --git a/htdocs/comm/prospect/recap-prospect.php b/htdocs/comm/prospect/recap-prospect.php
index f8732ff36f5..3640cee6279 100644
--- a/htdocs/comm/prospect/recap-prospect.php
+++ b/htdocs/comm/prospect/recap-prospect.php
@@ -22,7 +22,7 @@
  *		\brief      Page with prospect summary
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
diff --git a/htdocs/comm/recap-client.php b/htdocs/comm/recap-client.php
index cdd86eb553c..fe240ac2266 100644
--- a/htdocs/comm/recap-client.php
+++ b/htdocs/comm/recap-client.php
@@ -22,7 +22,7 @@
  *		\brief      Page de fiche recap client
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
diff --git a/htdocs/comm/remise.php b/htdocs/comm/remise.php
index 184961f2091..c23481ed1bd 100644
--- a/htdocs/comm/remise.php
+++ b/htdocs/comm/remise.php
@@ -22,7 +22,7 @@
  *		\brief      Page to edit relative discount of a customer
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 
diff --git a/htdocs/comm/remx.php b/htdocs/comm/remx.php
index 40cf0bbd089..db7b7b71f56 100644
--- a/htdocs/comm/remx.php
+++ b/htdocs/comm/remx.php
@@ -23,7 +23,7 @@
  *		\brief      Page to edit absolute discounts for a customer
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/discount.class.php';
diff --git a/htdocs/commande/apercu.php b/htdocs/commande/apercu.php
index 335b7a1a756..83822aa2407 100644
--- a/htdocs/commande/apercu.php
+++ b/htdocs/commande/apercu.php
@@ -25,7 +25,7 @@
  *		\brief		Page de l'onglet apercu d'une commande
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
diff --git a/htdocs/commande/contact.php b/htdocs/commande/contact.php
index 9848c15449b..3516e8b0833 100644
--- a/htdocs/commande/contact.php
+++ b/htdocs/commande/contact.php
@@ -24,7 +24,7 @@
  *     \brief      Onglet de gestion des contacts de commande
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
diff --git a/htdocs/commande/customer.php b/htdocs/commande/customer.php
index 304f3cfb0a2..d607879c5c0 100755
--- a/htdocs/commande/customer.php
+++ b/htdocs/commande/customer.php
@@ -26,7 +26,7 @@
  *	\brief      Show list of customers to add an new invoice from orders
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 
diff --git a/htdocs/commande/document.php b/htdocs/commande/document.php
index 5fe70cefbbb..aa6ff9914f7 100644
--- a/htdocs/commande/document.php
+++ b/htdocs/commande/document.php
@@ -24,7 +24,7 @@
  *	\brief      Page de gestion des documents attachees a une commande
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/commande/fiche.php b/htdocs/commande/fiche.php
index 690cc98a3fd..235b5680c25 100644
--- a/htdocs/commande/fiche.php
+++ b/htdocs/commande/fiche.php
@@ -29,7 +29,7 @@
  *	\brief      Page to show customer order
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formorder.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/commande/modules_commande.php';
diff --git a/htdocs/commande/index.php b/htdocs/commande/index.php
index 450415624c4..a6000d2a44e 100644
--- a/htdocs/commande/index.php
+++ b/htdocs/commande/index.php
@@ -23,7 +23,7 @@
  *	\brief      Home page of customer order module
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT .'/core/class/notify.class.php';
 require_once DOL_DOCUMENT_ROOT .'/commande/class/commande.class.php';
diff --git a/htdocs/commande/info.php b/htdocs/commande/info.php
index ff1c3721181..bd31c21b337 100644
--- a/htdocs/commande/info.php
+++ b/htdocs/commande/info.php
@@ -22,7 +22,7 @@
  *		\brief      Page des informations d'une commande
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
diff --git a/htdocs/commande/liste.php b/htdocs/commande/liste.php
index 600c1702927..08c68939903 100644
--- a/htdocs/commande/liste.php
+++ b/htdocs/commande/liste.php
@@ -25,7 +25,7 @@
  */
 
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
diff --git a/htdocs/commande/note.php b/htdocs/commande/note.php
index 4eabe72397f..9ecc195d794 100644
--- a/htdocs/commande/note.php
+++ b/htdocs/commande/note.php
@@ -23,7 +23,7 @@
  *  \brief      Fiche de notes sur une commande
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
 require_once DOL_DOCUMENT_ROOT .'/commande/class/commande.class.php';
 
diff --git a/htdocs/commande/orderstoinvoice.php b/htdocs/commande/orderstoinvoice.php
index 624e3f2d21e..83f31fe7598 100755
--- a/htdocs/commande/orderstoinvoice.php
+++ b/htdocs/commande/orderstoinvoice.php
@@ -27,7 +27,7 @@
  *	\brief      Page to invoice multiple orders
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
diff --git a/htdocs/commande/stats/index.php b/htdocs/commande/stats/index.php
index 91b7fd30e5e..a92dd6cb2f3 100644
--- a/htdocs/commande/stats/index.php
+++ b/htdocs/commande/stats/index.php
@@ -24,7 +24,7 @@
  *		\brief      Page with customers or suppliers orders statistics
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commandestats.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
diff --git a/htdocs/commissions/index.php b/htdocs/commissions/index.php
index 27ac8c1a65a..c2ec0e4ef88 100644
--- a/htdocs/commissions/index.php
+++ b/htdocs/commissions/index.php
@@ -21,7 +21,7 @@
  *	\brief      Page des commissions par agent commercial
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/compta/ajaxpayment.php b/htdocs/compta/ajaxpayment.php
index d1dce30d069..e9ceafdaf52 100644
--- a/htdocs/compta/ajaxpayment.php
+++ b/htdocs/compta/ajaxpayment.php
@@ -32,7 +32,7 @@ if (! defined('NOREQUIREHTML'))  define('NOREQUIREHTML','1'); // If we don't nee
 //if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 //if (! defined("NOLOGIN"))        define("NOLOGIN",'1');       // If this page is public (can be called outside logged session)
 
-require('../main.inc.php');
+require '../main.inc.php';
 
 $langs->Load('compta');
 
diff --git a/htdocs/compta/bank/account.php b/htdocs/compta/bank/account.php
index 4dbfbeece88..61b29260440 100644
--- a/htdocs/compta/bank/account.php
+++ b/htdocs/compta/bank/account.php
@@ -26,7 +26,7 @@
  *		\brief      List of details of bank transactions for an account
  */
 
-require("./pre.inc.php");	// We use pre.inc.php to have a dynamic menu
+require './pre.inc.php';	// We use pre.inc.php to have a dynamic menu
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
diff --git a/htdocs/compta/bank/admin/bank.php b/htdocs/compta/bank/admin/bank.php
index 2a73ac6ec4e..99ac5b91834 100644
--- a/htdocs/compta/bank/admin/bank.php
+++ b/htdocs/compta/bank/admin/bank.php
@@ -23,7 +23,7 @@
  *		\brief      Page to setup the bank module
  */
 
-require("../../../main.inc.php");
+require '../../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
diff --git a/htdocs/compta/bank/annuel.php b/htdocs/compta/bank/annuel.php
index feebeef5f34..6f4d0add0b5 100644
--- a/htdocs/compta/bank/annuel.php
+++ b/htdocs/compta/bank/annuel.php
@@ -23,7 +23,7 @@
  *		\brief       Page reporting mensuel Entrees/Sorties d'un compte bancaire
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/compta/bank/bankid_fr.php b/htdocs/compta/bank/bankid_fr.php
index ebb61601049..96b7a985919 100644
--- a/htdocs/compta/bank/bankid_fr.php
+++ b/htdocs/compta/bank/bankid_fr.php
@@ -24,7 +24,7 @@
  *  \brief      Fiche creation compte bancaire
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 
diff --git a/htdocs/compta/bank/bilan.php b/htdocs/compta/bank/bilan.php
index d12b2560f97..1b1a64d96a3 100644
--- a/htdocs/compta/bank/bilan.php
+++ b/htdocs/compta/bank/bilan.php
@@ -22,7 +22,7 @@
  *		\brief      Page de bilan
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 
 if (!$user->rights->banque->lire)
   accessforbidden();
diff --git a/htdocs/compta/bank/budget.php b/htdocs/compta/bank/budget.php
index 4b540a51b2b..93a4738c87b 100644
--- a/htdocs/compta/bank/budget.php
+++ b/htdocs/compta/bank/budget.php
@@ -23,7 +23,7 @@
  *		\brief      Page de budget
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 
 $langs->load("categories");
 
diff --git a/htdocs/compta/bank/categ.php b/htdocs/compta/bank/categ.php
index be5365ccfef..a59d97084f5 100644
--- a/htdocs/compta/bank/categ.php
+++ b/htdocs/compta/bank/categ.php
@@ -23,7 +23,7 @@
  *      \brief      Page ajout de categories bancaires
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 
 if (!$user->rights->banque->configurer)
   accessforbidden();
diff --git a/htdocs/compta/bank/fiche.php b/htdocs/compta/bank/fiche.php
index 709d7fbf64c..1bb97a2ba90 100644
--- a/htdocs/compta/bank/fiche.php
+++ b/htdocs/compta/bank/fiche.php
@@ -24,7 +24,7 @@
  *		\brief      Page to create/view a bank account
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
diff --git a/htdocs/compta/bank/graph.php b/htdocs/compta/bank/graph.php
index 188439d3773..6bf5de88afe 100644
--- a/htdocs/compta/bank/graph.php
+++ b/htdocs/compta/bank/graph.php
@@ -23,7 +23,7 @@
  *	\brief      Page graph des transactions bancaires
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
diff --git a/htdocs/compta/bank/index.php b/htdocs/compta/bank/index.php
index f46a69f5bd6..3e8e93798e8 100644
--- a/htdocs/compta/bank/index.php
+++ b/htdocs/compta/bank/index.php
@@ -23,7 +23,7 @@
  *       \brief      Home page of bank module
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
diff --git a/htdocs/compta/bank/info.php b/htdocs/compta/bank/info.php
index 75c313a62b5..61db89b0180 100644
--- a/htdocs/compta/bank/info.php
+++ b/htdocs/compta/bank/info.php
@@ -21,7 +21,7 @@
  *     \brief      Onglet info d'une ecriture bancaire
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 
diff --git a/htdocs/compta/bank/ligne.php b/htdocs/compta/bank/ligne.php
index 2762c97d0f3..8815388fd69 100644
--- a/htdocs/compta/bank/ligne.php
+++ b/htdocs/compta/bank/ligne.php
@@ -25,7 +25,7 @@
  *	\brief      Page to edit a bank transaction record
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
 $langs->load("banks");
diff --git a/htdocs/compta/bank/rappro.php b/htdocs/compta/bank/rappro.php
index 95d4c1abf09..de1cb869b87 100644
--- a/htdocs/compta/bank/rappro.php
+++ b/htdocs/compta/bank/rappro.php
@@ -23,7 +23,7 @@
  *       \brief      Page to reconciliate bank transactions
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
diff --git a/htdocs/compta/bank/releve.php b/htdocs/compta/bank/releve.php
index 97e85853284..ccd6592d222 100644
--- a/htdocs/compta/bank/releve.php
+++ b/htdocs/compta/bank/releve.php
@@ -23,7 +23,7 @@
  *		\brief      Page d'affichage d'un releve
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 
 $action=GETPOST('action');
diff --git a/htdocs/compta/bank/search.php b/htdocs/compta/bank/search.php
index ac4303c383f..29be2b42d02 100644
--- a/htdocs/compta/bank/search.php
+++ b/htdocs/compta/bank/search.php
@@ -24,7 +24,7 @@
  *	\brief      List of bank transactions
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
diff --git a/htdocs/compta/bank/treso.php b/htdocs/compta/bank/treso.php
index 7de0e9246e1..61b3f982635 100644
--- a/htdocs/compta/bank/treso.php
+++ b/htdocs/compta/bank/treso.php
@@ -23,7 +23,7 @@
  *	\brief      Page de detail du budget de tresorerie
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
diff --git a/htdocs/compta/bank/virement.php b/htdocs/compta/bank/virement.php
index a33c77b4138..f843c24dfc4 100644
--- a/htdocs/compta/bank/virement.php
+++ b/htdocs/compta/bank/virement.php
@@ -24,7 +24,7 @@
  *		\brief      Page de saisie d'un virement
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 
 $langs->load("banks");
diff --git a/htdocs/compta/charges/index.php b/htdocs/compta/charges/index.php
index 851b39b6ddd..73e79864a6a 100644
--- a/htdocs/compta/charges/index.php
+++ b/htdocs/compta/charges/index.php
@@ -23,7 +23,7 @@
  *		\brief      Page to list payments of social contributions and vat
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/paymentsocialcontribution.class.php';
diff --git a/htdocs/compta/clients.php b/htdocs/compta/clients.php
index 9d53e7d4d85..05a45243d80 100644
--- a/htdocs/compta/clients.php
+++ b/htdocs/compta/clients.php
@@ -23,7 +23,7 @@
  *	\brief      Show list of customers to add an new invoice
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 
diff --git a/htdocs/compta/deplacement/fiche.php b/htdocs/compta/deplacement/fiche.php
index 7d521cc7411..cd66af34cc3 100644
--- a/htdocs/compta/deplacement/fiche.php
+++ b/htdocs/compta/deplacement/fiche.php
@@ -23,7 +23,7 @@
  *  \brief      	Page to show a trip card
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/trip.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
diff --git a/htdocs/compta/deplacement/index.php b/htdocs/compta/deplacement/index.php
index ebc7be64685..a5188e38f04 100644
--- a/htdocs/compta/deplacement/index.php
+++ b/htdocs/compta/deplacement/index.php
@@ -23,7 +23,7 @@
  *  \brief      Page list of expenses
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacement.class.php';
 
diff --git a/htdocs/compta/deplacement/info.php b/htdocs/compta/deplacement/info.php
index c5eaa1a267c..61c70855f54 100644
--- a/htdocs/compta/deplacement/info.php
+++ b/htdocs/compta/deplacement/info.php
@@ -22,7 +22,7 @@
  * 	\brief      Page to show a trip information
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/trip.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacement.class.php';
diff --git a/htdocs/compta/deplacement/list.php b/htdocs/compta/deplacement/list.php
index e6d5fc845ed..2002a0e0f0a 100755
--- a/htdocs/compta/deplacement/list.php
+++ b/htdocs/compta/deplacement/list.php
@@ -24,7 +24,7 @@
  *  \brief      Page to list trips and expenses
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacement.class.php';
 
diff --git a/htdocs/compta/deplacement/stats/index.php b/htdocs/compta/deplacement/stats/index.php
index 6de5a23d9c7..2ca118c47cf 100755
--- a/htdocs/compta/deplacement/stats/index.php
+++ b/htdocs/compta/deplacement/stats/index.php
@@ -23,7 +23,7 @@
  *  \brief      Page des stats deplacement et notes de frais
  */
 
-require("../../../main.inc.php");
+require '../../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/deplacement/class/deplacementstats.class.php';
 
diff --git a/htdocs/compta/dons/fiche.php b/htdocs/compta/dons/fiche.php
index 72dbf37579b..bc49df3ff4d 100644
--- a/htdocs/compta/dons/fiche.php
+++ b/htdocs/compta/dons/fiche.php
@@ -23,7 +23,7 @@
  *		\brief      Page of donation card
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/dons/modules_don.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
diff --git a/htdocs/compta/dons/index.php b/htdocs/compta/dons/index.php
index 923d1d35e06..6c0f789b9b8 100644
--- a/htdocs/compta/dons/index.php
+++ b/htdocs/compta/dons/index.php
@@ -23,7 +23,7 @@
  *		\brief      Home page of donation module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/dons/class/don.class.php';
 
 $langs->load("donations");
diff --git a/htdocs/compta/dons/liste.php b/htdocs/compta/dons/liste.php
index bf03a077bac..ced00f94c50 100644
--- a/htdocs/compta/dons/liste.php
+++ b/htdocs/compta/dons/liste.php
@@ -23,7 +23,7 @@
  *	\brief      Page de liste des dons
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/dons/class/don.class.php';
 if (! empty($conf->projet->enabled)) require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 
diff --git a/htdocs/compta/dons/stats.php b/htdocs/compta/dons/stats.php
index 08fc93a686b..8ccdfde750e 100644
--- a/htdocs/compta/dons/stats.php
+++ b/htdocs/compta/dons/stats.php
@@ -22,7 +22,7 @@
  *      \brief      Page des statistiques de dons
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("donations");
 
diff --git a/htdocs/compta/facture/apercu.php b/htdocs/compta/facture/apercu.php
index 0e4dfe8abb4..bac78a55c78 100644
--- a/htdocs/compta/facture/apercu.php
+++ b/htdocs/compta/facture/apercu.php
@@ -26,7 +26,7 @@
  * 		\brief      Page de l'onglet apercu d'une facture
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/compta/facture/contact.php b/htdocs/compta/facture/contact.php
index 8dc586144ee..43f6225396e 100644
--- a/htdocs/compta/facture/contact.php
+++ b/htdocs/compta/facture/contact.php
@@ -24,7 +24,7 @@
  *       \brief      Onglet de gestion des contacts des factures
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/discount.class.php';
diff --git a/htdocs/compta/facture/document.php b/htdocs/compta/facture/document.php
index a9a87e9eeb9..f7394051b0d 100644
--- a/htdocs/compta/facture/document.php
+++ b/htdocs/compta/facture/document.php
@@ -24,7 +24,7 @@
  *	\brief      Page for attached files on invoices
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/discount.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
diff --git a/htdocs/compta/facture/fiche-rec.php b/htdocs/compta/facture/fiche-rec.php
index 6310fb445e9..9b16565678d 100644
--- a/htdocs/compta/facture/fiche-rec.php
+++ b/htdocs/compta/facture/fiche-rec.php
@@ -23,7 +23,7 @@
  *	\brief      Page to show predefined invoice
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture-rec.class.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/compta/facture/impayees.php b/htdocs/compta/facture/impayees.php
index cea39cbb631..6cd4850ddd8 100644
--- a/htdocs/compta/facture/impayees.php
+++ b/htdocs/compta/facture/impayees.php
@@ -24,7 +24,7 @@
  *		\brief      Page to list and build liste of unpaid invoices
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
diff --git a/htdocs/compta/facture/info.php b/htdocs/compta/facture/info.php
index 5a80bd75e87..70e92d844f4 100644
--- a/htdocs/compta/facture/info.php
+++ b/htdocs/compta/facture/info.php
@@ -22,7 +22,7 @@
  *		\brief      Page des informations d'une facture
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/discount.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/compta/facture/list.php b/htdocs/compta/facture/list.php
index 5a7ecbfbdce..2ce49772a1d 100644
--- a/htdocs/compta/facture/list.php
+++ b/htdocs/compta/facture/list.php
@@ -28,7 +28,7 @@
  *	\brief      Page to create/see an invoice
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/facture/modules_facture.php';
diff --git a/htdocs/compta/facture/note.php b/htdocs/compta/facture/note.php
index cb79bc84089..e37bd7ef4d7 100644
--- a/htdocs/compta/facture/note.php
+++ b/htdocs/compta/facture/note.php
@@ -23,7 +23,7 @@
  *      \brief      Fiche de notes sur une facture
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/discount.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
diff --git a/htdocs/compta/facture/prelevement.php b/htdocs/compta/facture/prelevement.php
index 466e4987633..161a1a57705 100644
--- a/htdocs/compta/facture/prelevement.php
+++ b/htdocs/compta/facture/prelevement.php
@@ -25,7 +25,7 @@
  *	\brief      Gestion des prelevement d'une facture
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/invoice.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
diff --git a/htdocs/compta/facture/stats/index.php b/htdocs/compta/facture/stats/index.php
index e0932618afd..1de79ee5600 100644
--- a/htdocs/compta/facture/stats/index.php
+++ b/htdocs/compta/facture/stats/index.php
@@ -23,7 +23,7 @@
  *  \brief      Page des stats factures
  */
 
-require("../../../main.inc.php");
+require '../../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facturestats.class.php';
 
diff --git a/htdocs/compta/index.php b/htdocs/compta/index.php
index ee212b044ee..54354da4885 100644
--- a/htdocs/compta/index.php
+++ b/htdocs/compta/index.php
@@ -23,7 +23,7 @@
  *	\brief      Main page of accountancy area
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
diff --git a/htdocs/compta/journal/index.php b/htdocs/compta/journal/index.php
index 1dcd13e3086..4b7e347204d 100755
--- a/htdocs/compta/journal/index.php
+++ b/htdocs/compta/journal/index.php
@@ -16,7 +16,7 @@
  * along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 
 $langs->load("companies");
diff --git a/htdocs/compta/journal/purchasesjournal.php b/htdocs/compta/journal/purchasesjournal.php
index 39b31c86fd2..07cd3d146e2 100755
--- a/htdocs/compta/journal/purchasesjournal.php
+++ b/htdocs/compta/journal/purchasesjournal.php
@@ -23,7 +23,7 @@
  *		\ingroup    societe, fournisseur, facture
  *		\brief      Page with purchases journal
  */
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
diff --git a/htdocs/compta/journal/sellsjournal.php b/htdocs/compta/journal/sellsjournal.php
index 60ae2bf7f58..66ed316c35e 100755
--- a/htdocs/compta/journal/sellsjournal.php
+++ b/htdocs/compta/journal/sellsjournal.php
@@ -23,7 +23,7 @@
  *		\ingroup    societe, facture
  *		\brief      Page with sells journal
  */
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
diff --git a/htdocs/compta/localtax/clients.php b/htdocs/compta/localtax/clients.php
index 4663e80e08c..e62dc08adc9 100644
--- a/htdocs/compta/localtax/clients.php
+++ b/htdocs/compta/localtax/clients.php
@@ -21,7 +21,7 @@
  *		\brief      Third parties localtax report
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/localtax/fiche.php b/htdocs/compta/localtax/fiche.php
index 4f9184d2b1a..aa27f201a26 100644
--- a/htdocs/compta/localtax/fiche.php
+++ b/htdocs/compta/localtax/fiche.php
@@ -21,7 +21,7 @@
  *		\brief      Page of IRPF payments
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/localtax/class/localtax.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/compta/localtax/index.php b/htdocs/compta/localtax/index.php
index c21d07fc69c..0e200544a30 100644
--- a/htdocs/compta/localtax/index.php
+++ b/htdocs/compta/localtax/index.php
@@ -20,7 +20,7 @@
  *      \ingroup    tax
  *		\brief      Index page of IRPF reports
  */
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/localtax/reglement.php b/htdocs/compta/localtax/reglement.php
index dfd739ad8e3..6d4bf4de6dc 100644
--- a/htdocs/compta/localtax/reglement.php
+++ b/htdocs/compta/localtax/reglement.php
@@ -21,7 +21,7 @@
  *		\brief      List of IRPF payments
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/localtax/class/localtax.class.php';
 
 $langs->load("compta");
diff --git a/htdocs/compta/paiement.php b/htdocs/compta/paiement.php
index a155bab4722..d6b9f3d9331 100644
--- a/htdocs/compta/paiement.php
+++ b/htdocs/compta/paiement.php
@@ -25,7 +25,7 @@
  *	\brief      Page to create a payment
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
diff --git a/htdocs/compta/paiement/avalider.php b/htdocs/compta/paiement/avalider.php
index 7cfe2104b45..1cfef2ad7a8 100644
--- a/htdocs/compta/paiement/avalider.php
+++ b/htdocs/compta/paiement/avalider.php
@@ -22,7 +22,7 @@
  * 	\brief      Page liste des paiements a valider des factures clients
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("bills");
 
diff --git a/htdocs/compta/paiement/cheque/fiche.php b/htdocs/compta/paiement/cheque/fiche.php
index 6830a130972..732b8aafc06 100644
--- a/htdocs/compta/paiement/cheque/fiche.php
+++ b/htdocs/compta/paiement/cheque/fiche.php
@@ -24,7 +24,7 @@
  *	\brief      Page for cheque deposits
  */
 
-require("./pre.inc.php");	// We use pre.inc.php to have a dynamic menu
+require './pre.inc.php';	// We use pre.inc.php to have a dynamic menu
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/cheque/class/remisecheque.class.php';
diff --git a/htdocs/compta/paiement/cheque/index.php b/htdocs/compta/paiement/cheque/index.php
index 882b0a5b300..e271e801650 100644
--- a/htdocs/compta/paiement/cheque/index.php
+++ b/htdocs/compta/paiement/cheque/index.php
@@ -23,7 +23,7 @@
  *		\brief      Home page for cheque receipts
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/cheque/class/remisecheque.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/compta/paiement/cheque/liste.php b/htdocs/compta/paiement/cheque/liste.php
index 1a97b7d0938..318a1b17be1 100644
--- a/htdocs/compta/paiement/cheque/liste.php
+++ b/htdocs/compta/paiement/cheque/liste.php
@@ -23,7 +23,7 @@
  *   \brief      Page liste des bordereau de remise de cheque
  */
 
-require("./pre.inc.php");
+require './pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/cheque/class/remisecheque.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/compta/paiement/fiche.php b/htdocs/compta/paiement/fiche.php
index e8a8a3b0b18..535e3a013da 100644
--- a/htdocs/compta/paiement/fiche.php
+++ b/htdocs/compta/paiement/fiche.php
@@ -25,7 +25,7 @@
  *		\remarks	Nearly same file than fournisseur/paiement/fiche.php
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT .'/core/modules/facture/modules_facture.php';
diff --git a/htdocs/compta/paiement/index.php b/htdocs/compta/paiement/index.php
index d7eebe8dd83..2f2f32bcbc2 100644
--- a/htdocs/compta/paiement/index.php
+++ b/htdocs/compta/paiement/index.php
@@ -16,7 +16,7 @@
  *
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 // Security check
 if (!$user->admin && $user->societe_id > 0)
diff --git a/htdocs/compta/paiement/info.php b/htdocs/compta/paiement/info.php
index b2b6ca304ac..79bd009f056 100644
--- a/htdocs/compta/paiement/info.php
+++ b/htdocs/compta/paiement/info.php
@@ -22,7 +22,7 @@
  *		\brief      Onglet info d'un paiement
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 
diff --git a/htdocs/compta/paiement/liste.php b/htdocs/compta/paiement/liste.php
index fc401bd8c85..714d8a20d59 100644
--- a/htdocs/compta/paiement/liste.php
+++ b/htdocs/compta/paiement/liste.php
@@ -23,7 +23,7 @@
  *  \brief      Page liste des paiements des factures clients
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/compta/paiement/rapport.php b/htdocs/compta/paiement/rapport.php
index c8a953a5176..f9e6f61852f 100644
--- a/htdocs/compta/paiement/rapport.php
+++ b/htdocs/compta/paiement/rapport.php
@@ -22,7 +22,7 @@
  *	\brief      Payment reports page
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/rapport/pdf_paiement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
diff --git a/htdocs/compta/paiement_charge.php b/htdocs/compta/paiement_charge.php
index 2af75cdecdf..d10f051fba3 100755
--- a/htdocs/compta/paiement_charge.php
+++ b/htdocs/compta/paiement_charge.php
@@ -21,7 +21,7 @@
  *		\brief      Page to add payment of a tax
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/paymentsocialcontribution.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
diff --git a/htdocs/compta/payment_sc/fiche.php b/htdocs/compta/payment_sc/fiche.php
index f7acb55fee1..01b5fe1bf01 100644
--- a/htdocs/compta/payment_sc/fiche.php
+++ b/htdocs/compta/payment_sc/fiche.php
@@ -25,7 +25,7 @@
  *		\remarks	Fichier presque identique a fournisseur/paiement/fiche.php
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/paymentsocialcontribution.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
diff --git a/htdocs/compta/prelevement/bon.php b/htdocs/compta/prelevement/bon.php
index a73f676667e..28836a60943 100644
--- a/htdocs/compta/prelevement/bon.php
+++ b/htdocs/compta/prelevement/bon.php
@@ -23,7 +23,7 @@
  *      \brief      Fiche apercu du bon de prelevement
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/prelevement.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
diff --git a/htdocs/compta/prelevement/bons.php b/htdocs/compta/prelevement/bons.php
index f11e12a243e..7639cef4535 100644
--- a/htdocs/compta/prelevement/bons.php
+++ b/htdocs/compta/prelevement/bons.php
@@ -24,7 +24,7 @@
  * 	\brief      Page liste des bons de prelevements
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 
 $langs->load("widthdrawals");
diff --git a/htdocs/compta/prelevement/create.php b/htdocs/compta/prelevement/create.php
index c33d15cc577..20f388c7d1d 100644
--- a/htdocs/compta/prelevement/create.php
+++ b/htdocs/compta/prelevement/create.php
@@ -24,7 +24,7 @@
  *	\brief      Prelevement creation page
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
diff --git a/htdocs/compta/prelevement/demandes.php b/htdocs/compta/prelevement/demandes.php
index 4fa3311e4f4..d6f94d15861 100644
--- a/htdocs/compta/prelevement/demandes.php
+++ b/htdocs/compta/prelevement/demandes.php
@@ -24,7 +24,7 @@
  *  \brief      Page to list withdraw requests
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/modPrelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
diff --git a/htdocs/compta/prelevement/factures.php b/htdocs/compta/prelevement/factures.php
index 37e7109090a..39f004e06de 100644
--- a/htdocs/compta/prelevement/factures.php
+++ b/htdocs/compta/prelevement/factures.php
@@ -24,7 +24,7 @@
  *     \brief      Page liste des factures prelevees
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/prelevement.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/rejetprelevement.class.php';
diff --git a/htdocs/compta/prelevement/facturesrejets.php b/htdocs/compta/prelevement/facturesrejets.php
index aadcc74adcc..105d566f93e 100644
--- a/htdocs/compta/prelevement/facturesrejets.php
+++ b/htdocs/compta/prelevement/facturesrejets.php
@@ -23,7 +23,7 @@
  *		\brief      Invoice reject
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/rejetprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 
diff --git a/htdocs/compta/prelevement/fiche-rejet.php b/htdocs/compta/prelevement/fiche-rejet.php
index 1959ed96d8b..a7bccc6668a 100644
--- a/htdocs/compta/prelevement/fiche-rejet.php
+++ b/htdocs/compta/prelevement/fiche-rejet.php
@@ -24,7 +24,7 @@
  *		\brief      Withdraw reject
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/prelevement.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/rejetprelevement.class.php';
diff --git a/htdocs/compta/prelevement/fiche-stat.php b/htdocs/compta/prelevement/fiche-stat.php
index 5db1efb6167..81f6ec188ff 100644
--- a/htdocs/compta/prelevement/fiche-stat.php
+++ b/htdocs/compta/prelevement/fiche-stat.php
@@ -23,7 +23,7 @@
  *	\brief      Prelevement statistics
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/prelevement.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/ligneprelevement.class.php';
diff --git a/htdocs/compta/prelevement/fiche.php b/htdocs/compta/prelevement/fiche.php
index a5c6794d6f7..c4ed053aa8b 100644
--- a/htdocs/compta/prelevement/fiche.php
+++ b/htdocs/compta/prelevement/fiche.php
@@ -23,7 +23,7 @@
  *	\brief      Fiche prelevement
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/prelevement.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 
diff --git a/htdocs/compta/prelevement/index.php b/htdocs/compta/prelevement/index.php
index 5d420ac4894..8dba0b37cae 100644
--- a/htdocs/compta/prelevement/index.php
+++ b/htdocs/compta/prelevement/index.php
@@ -24,7 +24,7 @@
  *	\brief      Prelevement index page
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
diff --git a/htdocs/compta/prelevement/ligne.php b/htdocs/compta/prelevement/ligne.php
index 5f8e74fdfdc..3f8858d8ab8 100644
--- a/htdocs/compta/prelevement/ligne.php
+++ b/htdocs/compta/prelevement/ligne.php
@@ -24,7 +24,7 @@
  *	\brief      card of withdraw line
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/ligneprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/rejetprelevement.class.php';
diff --git a/htdocs/compta/prelevement/lignes.php b/htdocs/compta/prelevement/lignes.php
index c7b1f3c559b..ba5c1701288 100644
--- a/htdocs/compta/prelevement/lignes.php
+++ b/htdocs/compta/prelevement/lignes.php
@@ -24,7 +24,7 @@
  *	\brief      Prelevement lines
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/prelevement.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/ligneprelevement.class.php';
diff --git a/htdocs/compta/prelevement/liste.php b/htdocs/compta/prelevement/liste.php
index 2fd88dcfeba..84d7d21b842 100644
--- a/htdocs/compta/prelevement/liste.php
+++ b/htdocs/compta/prelevement/liste.php
@@ -23,7 +23,7 @@
  *      \ingroup    prelevement
  *      \brief      Page liste des prelevements
  */
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/bonprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/ligneprelevement.class.php';
 
diff --git a/htdocs/compta/prelevement/rejets.php b/htdocs/compta/prelevement/rejets.php
index 2e777b8d030..cdb8c60e58e 100644
--- a/htdocs/compta/prelevement/rejets.php
+++ b/htdocs/compta/prelevement/rejets.php
@@ -24,7 +24,7 @@
  *      \brief      Reject page
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/rejetprelevement.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
 
diff --git a/htdocs/compta/prelevement/stats.php b/htdocs/compta/prelevement/stats.php
index 5e73bf340a4..b39df8c1341 100644
--- a/htdocs/compta/prelevement/stats.php
+++ b/htdocs/compta/prelevement/stats.php
@@ -24,7 +24,7 @@
  *      \brief      Page de stats des prelevements
  */
 
-require("../bank/pre.inc.php");
+require '../bank/pre.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/prelevement/class/ligneprelevement.class.php';
 
 $langs->load("withdrawals");
diff --git a/htdocs/compta/recap-compta.php b/htdocs/compta/recap-compta.php
index 9a7bce53aa6..c458f55813d 100644
--- a/htdocs/compta/recap-compta.php
+++ b/htdocs/compta/recap-compta.php
@@ -22,7 +22,7 @@
  *  \brief      Page de fiche recap compta
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
diff --git a/htdocs/compta/resultat/bilan.php b/htdocs/compta/resultat/bilan.php
index 8c33f488a92..fb8526d077c 100644
--- a/htdocs/compta/resultat/bilan.php
+++ b/htdocs/compta/resultat/bilan.php
@@ -21,7 +21,7 @@
  * 		\brief  	Fichier page bilan compta
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 
diff --git a/htdocs/compta/resultat/clientfourn.php b/htdocs/compta/resultat/clientfourn.php
index a215ae7b7ff..bc23e2c3c73 100644
--- a/htdocs/compta/resultat/clientfourn.php
+++ b/htdocs/compta/resultat/clientfourn.php
@@ -22,7 +22,7 @@
  *	\brief       Page reporting
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
diff --git a/htdocs/compta/resultat/compteres.php b/htdocs/compta/resultat/compteres.php
index 9463df6d80d..0e9a8db8595 100644
--- a/htdocs/compta/resultat/compteres.php
+++ b/htdocs/compta/resultat/compteres.php
@@ -16,7 +16,7 @@
  */
 
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 
diff --git a/htdocs/compta/resultat/index.php b/htdocs/compta/resultat/index.php
index efcba0ae51a..e423136b7ee 100644
--- a/htdocs/compta/resultat/index.php
+++ b/htdocs/compta/resultat/index.php
@@ -22,7 +22,7 @@
  *       \brief       Page reporting resultat
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 
 
diff --git a/htdocs/compta/sociales/charges.php b/htdocs/compta/sociales/charges.php
index 436ce96b418..4dc224c73b2 100644
--- a/htdocs/compta/sociales/charges.php
+++ b/htdocs/compta/sociales/charges.php
@@ -22,7 +22,7 @@
  *		\brief      Social contribution car page
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formsocialcontrib.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
diff --git a/htdocs/compta/sociales/document.php b/htdocs/compta/sociales/document.php
index b8ad2a49080..128ff9b8c86 100644
--- a/htdocs/compta/sociales/document.php
+++ b/htdocs/compta/sociales/document.php
@@ -26,7 +26,7 @@
  *       \brief      Page with attached files on social contributions
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/compta/sociales/index.php b/htdocs/compta/sociales/index.php
index e862b5970de..ec0441fba2f 100644
--- a/htdocs/compta/sociales/index.php
+++ b/htdocs/compta/sociales/index.php
@@ -23,7 +23,7 @@
  *		\brief      Page to list all social contributions
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formsocialcontrib.class.php';
 
diff --git a/htdocs/compta/sociales/info.php b/htdocs/compta/sociales/info.php
index 0376d7cf5df..08a14a16687 100644
--- a/htdocs/compta/sociales/info.php
+++ b/htdocs/compta/sociales/info.php
@@ -21,7 +21,7 @@
  *	\brief      Page with info about social contribution
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/sociales/class/chargesociales.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/compta/stats/cabyuser.php b/htdocs/compta/stats/cabyuser.php
index 4c56403184a..31a86e475df 100644
--- a/htdocs/compta/stats/cabyuser.php
+++ b/htdocs/compta/stats/cabyuser.php
@@ -22,7 +22,7 @@
  *      \brief       Page reporting Salesover by user
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/stats/casoc.php b/htdocs/compta/stats/casoc.php
index 6f8171a8bb0..3bf19f18942 100644
--- a/htdocs/compta/stats/casoc.php
+++ b/htdocs/compta/stats/casoc.php
@@ -23,7 +23,7 @@
  *       \brief       Page reporting CA par societe
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/stats/index.php b/htdocs/compta/stats/index.php
index bdd957d1f2d..12b878fc4be 100644
--- a/htdocs/compta/stats/index.php
+++ b/htdocs/compta/stats/index.php
@@ -22,7 +22,7 @@
  *	\brief       Page reporting CA
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 
 
diff --git a/htdocs/compta/tva/clients.php b/htdocs/compta/tva/clients.php
index 23af370180c..71dbdb6c947 100644
--- a/htdocs/compta/tva/clients.php
+++ b/htdocs/compta/tva/clients.php
@@ -24,7 +24,7 @@
  *		\brief      Page des societes
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/tva/fiche.php b/htdocs/compta/tva/fiche.php
index 63dea4f7b61..a73584903bf 100644
--- a/htdocs/compta/tva/fiche.php
+++ b/htdocs/compta/tva/fiche.php
@@ -23,7 +23,7 @@
  *		\brief      Page of VAT payments
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/compta/tva/index.php b/htdocs/compta/tva/index.php
index 31676c3518b..e6ea960fa98 100644
--- a/htdocs/compta/tva/index.php
+++ b/htdocs/compta/tva/index.php
@@ -23,7 +23,7 @@
  *      \ingroup    tax
  *		\brief      Index page of VAT reports
  */
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/tva/quadri.php b/htdocs/compta/tva/quadri.php
index dc0c188418b..5ac598d7a66 100644
--- a/htdocs/compta/tva/quadri.php
+++ b/htdocs/compta/tva/quadri.php
@@ -26,7 +26,7 @@
  *      TODO 		Deal with recurrent invoices as well
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 
 $year=$_GET["year"];
diff --git a/htdocs/compta/tva/quadri_detail.php b/htdocs/compta/tva/quadri_detail.php
index d75b7fec26b..1bcd7cabb47 100644
--- a/htdocs/compta/tva/quadri_detail.php
+++ b/htdocs/compta/tva/quadri_detail.php
@@ -25,7 +25,7 @@
  *		TODO 		Deal with recurrent invoices as well
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/report.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/tax.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/compta/tva/reglement.php b/htdocs/compta/tva/reglement.php
index e25fd319c01..dec625e95a8 100644
--- a/htdocs/compta/tva/reglement.php
+++ b/htdocs/compta/tva/reglement.php
@@ -23,7 +23,7 @@
  *		\brief      List of VAT payments
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/tva/class/tva.class.php';
 
 $langs->load("compta");
diff --git a/htdocs/compta/ventilation/fiche.php b/htdocs/compta/ventilation/fiche.php
index c3467a43381..6d18e2cdba7 100644
--- a/htdocs/compta/ventilation/fiche.php
+++ b/htdocs/compta/ventilation/fiche.php
@@ -23,7 +23,7 @@
  *     \brief      Page fiche ventilation
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
 $langs->load("bills");
diff --git a/htdocs/compta/ventilation/fournisseur/fiche.php b/htdocs/compta/ventilation/fournisseur/fiche.php
index 2766a7c0eac..9cce69f1717 100644
--- a/htdocs/compta/ventilation/fournisseur/fiche.php
+++ b/htdocs/compta/ventilation/fournisseur/fiche.php
@@ -23,7 +23,7 @@
  *      \brief      Page fiche ventilation
  */
 
-require('../../../main.inc.php');
+require '../../../main.inc.php';
 
 $mesg = '';
 
diff --git a/htdocs/compta/ventilation/fournisseur/index.php b/htdocs/compta/ventilation/fournisseur/index.php
index a019ff63666..d24b2275732 100644
--- a/htdocs/compta/ventilation/fournisseur/index.php
+++ b/htdocs/compta/ventilation/fournisseur/index.php
@@ -24,7 +24,7 @@
  *    \brief      Page accueil ventilation
  */
 
-require('../../../main.inc.php');
+require '../../../main.inc.php';
 $langs->load("suppliers");
 
 
diff --git a/htdocs/compta/ventilation/fournisseur/lignes.php b/htdocs/compta/ventilation/fournisseur/lignes.php
index 6418f616354..2e10e8cd189 100644
--- a/htdocs/compta/ventilation/fournisseur/lignes.php
+++ b/htdocs/compta/ventilation/fournisseur/lignes.php
@@ -22,7 +22,7 @@
  *   \brief      Page de detail des lignes de ventilation d'une facture
  */
 
-require('../../../main.inc.php');
+require '../../../main.inc.php';
 
 $langs->load("bills");
 
diff --git a/htdocs/compta/ventilation/fournisseur/liste.php b/htdocs/compta/ventilation/fournisseur/liste.php
index 9c763d258cc..183baab771f 100644
--- a/htdocs/compta/ventilation/fournisseur/liste.php
+++ b/htdocs/compta/ventilation/fournisseur/liste.php
@@ -25,7 +25,7 @@
  *   \brief      Page de ventilation des lignes de facture
  */
 
-require('../../../main.inc.php');
+require '../../../main.inc.php';
 
 $langs->load("bills");
 
diff --git a/htdocs/compta/ventilation/index.php b/htdocs/compta/ventilation/index.php
index 184231e8ec7..4e703ea650f 100644
--- a/htdocs/compta/ventilation/index.php
+++ b/htdocs/compta/ventilation/index.php
@@ -23,7 +23,7 @@
  *   \brief      Page accueil ventilation
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 
 $langs->load("compta");
 $langs->load("bills");
diff --git a/htdocs/compta/ventilation/lignes.php b/htdocs/compta/ventilation/lignes.php
index cf769a9592f..60aa986f113 100644
--- a/htdocs/compta/ventilation/lignes.php
+++ b/htdocs/compta/ventilation/lignes.php
@@ -23,7 +23,7 @@
  * 		\brief      Page de detail des lignes de ventilation d'une facture
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
diff --git a/htdocs/compta/ventilation/liste.php b/htdocs/compta/ventilation/liste.php
index 19cdf95c6d0..294b1adc6bc 100644
--- a/htdocs/compta/ventilation/liste.php
+++ b/htdocs/compta/ventilation/liste.php
@@ -25,7 +25,7 @@
  * 		\brief      Page de ventilation des lignes de facture
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
diff --git a/htdocs/contact/exportimport.php b/htdocs/contact/exportimport.php
index 4d157c62e88..e8b55255418 100644
--- a/htdocs/contact/exportimport.php
+++ b/htdocs/contact/exportimport.php
@@ -22,7 +22,7 @@
  *	\brief      Onglet exports-imports d'un contact
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/contact.lib.php';
 
diff --git a/htdocs/contact/fiche.php b/htdocs/contact/fiche.php
index 43ddc3ff83e..6bd01d3ad33 100644
--- a/htdocs/contact/fiche.php
+++ b/htdocs/contact/fiche.php
@@ -25,7 +25,7 @@
  *       \brief      Card of a contact
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/contact.lib.php';
diff --git a/htdocs/contact/info.php b/htdocs/contact/info.php
index 7cf24f58a2d..33be09b9a43 100644
--- a/htdocs/contact/info.php
+++ b/htdocs/contact/info.php
@@ -23,7 +23,7 @@
  *		\brief      Onglet info d'un contact
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/contact.lib.php';
diff --git a/htdocs/contact/ldap.php b/htdocs/contact/ldap.php
index 567747db5dc..ed386d31a8d 100644
--- a/htdocs/contact/ldap.php
+++ b/htdocs/contact/ldap.php
@@ -22,7 +22,7 @@
  *       \brief      Page fiche LDAP contact
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/contact.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
diff --git a/htdocs/contact/list.php b/htdocs/contact/list.php
index 34bd1471f91..ace7abcc6b9 100755
--- a/htdocs/contact/list.php
+++ b/htdocs/contact/list.php
@@ -24,7 +24,7 @@
  *		\brief      Page to list all contacts
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 
 $langs->load("companies");
diff --git a/htdocs/contact/perso.php b/htdocs/contact/perso.php
index fe182d6e356..f76acf85f24 100644
--- a/htdocs/contact/perso.php
+++ b/htdocs/contact/perso.php
@@ -23,7 +23,7 @@
  *       \brief      Onglet informations personnelles d'un contact
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/contact.lib.php';
 
diff --git a/htdocs/contact/vcard.php b/htdocs/contact/vcard.php
index 80bae86f25a..20a230be6ba 100644
--- a/htdocs/contact/vcard.php
+++ b/htdocs/contact/vcard.php
@@ -23,7 +23,7 @@
  *		\brief      Onglet vcard d'un contact
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/vcard.class.php';
diff --git a/htdocs/core/ajax/bankconciliate.php b/htdocs/core/ajax/bankconciliate.php
index c5de7b4a50b..1d9f373902e 100644
--- a/htdocs/core/ajax/bankconciliate.php
+++ b/htdocs/core/ajax/bankconciliate.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 //if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');    // Required to knwo date format for dol_print_date
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/bank/class/account.class.php';
 
diff --git a/htdocs/core/ajax/box.php b/htdocs/core/ajax/box.php
index 8d6e53c24c7..5497aec426e 100644
--- a/htdocs/core/ajax/box.php
+++ b/htdocs/core/ajax/box.php
@@ -28,7 +28,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/infobox.class.php';
 
 $boxid=GETPOST('boxid','int');
diff --git a/htdocs/core/ajax/constantonoff.php b/htdocs/core/ajax/constantonoff.php
index 59755b1f632..a79a9f5d0ff 100644
--- a/htdocs/core/ajax/constantonoff.php
+++ b/htdocs/core/ajax/constantonoff.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 
diff --git a/htdocs/core/ajax/contacts.php b/htdocs/core/ajax/contacts.php
index 025d1dc9dd0..3d71cd791cb 100644
--- a/htdocs/core/ajax/contacts.php
+++ b/htdocs/core/ajax/contacts.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 //if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 //if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 
 $id			= GETPOST('id','int');
 $action		= GETPOST('action','alpha');
diff --git a/htdocs/core/ajax/fileupload.php b/htdocs/core/ajax/fileupload.php
index 6b58cad214a..472e50b5574 100644
--- a/htdocs/core/ajax/fileupload.php
+++ b/htdocs/core/ajax/fileupload.php
@@ -33,7 +33,7 @@ if (! defined('NOREQUIREHTML'))  define('NOREQUIREHTML','1'); // If we don't nee
 //if (! defined("NOLOGIN"))        define("NOLOGIN",'1');       // If this page is public (can be called outside logged session)
 
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/fileupload.class.php';
 
 error_reporting(E_ALL | E_STRICT);
diff --git a/htdocs/core/ajax/loadinplace.php b/htdocs/core/ajax/loadinplace.php
index f29ead60176..831f3c5dea8 100644
--- a/htdocs/core/ajax/loadinplace.php
+++ b/htdocs/core/ajax/loadinplace.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 //if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/genericobject.class.php';
 
 $field			= GETPOST('field','alpha');
diff --git a/htdocs/core/ajax/row.php b/htdocs/core/ajax/row.php
index faf1575ddbf..69212205832 100644
--- a/htdocs/core/ajax/row.php
+++ b/htdocs/core/ajax/row.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/genericobject.class.php';
 
 
diff --git a/htdocs/core/ajax/saveinplace.php b/htdocs/core/ajax/saveinplace.php
index c1a34933b7c..8e32fe6551c 100644
--- a/htdocs/core/ajax/saveinplace.php
+++ b/htdocs/core/ajax/saveinplace.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 //if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/genericobject.class.php';
 
 $field			= GETPOST('field','alpha',2);
diff --git a/htdocs/core/ajax/security.php b/htdocs/core/ajax/security.php
index d1dc24e8a99..ec44c8c8c76 100644
--- a/htdocs/core/ajax/security.php
+++ b/htdocs/core/ajax/security.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 
 /*
  * View
diff --git a/htdocs/core/ajax/vatrates.php b/htdocs/core/ajax/vatrates.php
index 985cfb9b71b..97ed9e4697c 100644
--- a/htdocs/core/ajax/vatrates.php
+++ b/htdocs/core/ajax/vatrates.php
@@ -27,7 +27,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 //if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 //if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 
 $id			= GETPOST('id','int');
 $action		= GETPOST('action','alpha');
diff --git a/htdocs/core/ajax/ziptown.php b/htdocs/core/ajax/ziptown.php
index 38b7e4c6007..c9dfed825d6 100644
--- a/htdocs/core/ajax/ziptown.php
+++ b/htdocs/core/ajax/ziptown.php
@@ -29,7 +29,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOCSRFCHECK'))    define('NOCSRFCHECK','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 
 
diff --git a/htdocs/core/filemanagerdol/browser/default/browser.php b/htdocs/core/filemanagerdol/browser/default/browser.php
index 5da35174c3a..5ee5ae29aaa 100755
--- a/htdocs/core/filemanagerdol/browser/default/browser.php
+++ b/htdocs/core/filemanagerdol/browser/default/browser.php
@@ -21,7 +21,7 @@
 
 define('NOTOKENRENEWAL',1); // Disables token renewal
 
-require('../../../../main.inc.php');
+require '../../../../main.inc.php';
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Frameset//EN"
    "http://www.w3.org/TR/html4/frameset.dtd">
diff --git a/htdocs/core/filemanagerdol/browser/default/frmactualfolder.php b/htdocs/core/filemanagerdol/browser/default/frmactualfolder.php
index f22f2cd15a4..7556f2b437d 100755
--- a/htdocs/core/filemanagerdol/browser/default/frmactualfolder.php
+++ b/htdocs/core/filemanagerdol/browser/default/frmactualfolder.php
@@ -21,7 +21,7 @@
 
 define('NOTOKENRENEWAL',1); // Disables token renewal
 
-require('../../../../main.inc.php');
+require '../../../../main.inc.php';
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 <!--
diff --git a/htdocs/core/filemanagerdol/browser/default/frmcreatefolder.php b/htdocs/core/filemanagerdol/browser/default/frmcreatefolder.php
index 97b63d1b8cc..2e4da2e0cfe 100755
--- a/htdocs/core/filemanagerdol/browser/default/frmcreatefolder.php
+++ b/htdocs/core/filemanagerdol/browser/default/frmcreatefolder.php
@@ -21,7 +21,7 @@
 
 define('NOTOKENRENEWAL',1); // Disables token renewal
 
-require('../../../../main.inc.php');
+require '../../../../main.inc.php';
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 <!--
diff --git a/htdocs/core/filemanagerdol/browser/default/frmfolders.php b/htdocs/core/filemanagerdol/browser/default/frmfolders.php
index 74f09d2697d..badc1647754 100755
--- a/htdocs/core/filemanagerdol/browser/default/frmfolders.php
+++ b/htdocs/core/filemanagerdol/browser/default/frmfolders.php
@@ -21,7 +21,7 @@
 
 define('NOTOKENRENEWAL',1); // Disables token renewal
 
-require('../../../../main.inc.php');
+require '../../../../main.inc.php';
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 <!--
diff --git a/htdocs/core/filemanagerdol/browser/default/frmresourceslist.php b/htdocs/core/filemanagerdol/browser/default/frmresourceslist.php
index ccb3786ad99..40c92065b6f 100755
--- a/htdocs/core/filemanagerdol/browser/default/frmresourceslist.php
+++ b/htdocs/core/filemanagerdol/browser/default/frmresourceslist.php
@@ -21,7 +21,7 @@
 
 define('NOTOKENRENEWAL',1); // Disables token renewal
 
-require('../../../../main.inc.php');
+require '../../../../main.inc.php';
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 <!--
diff --git a/htdocs/core/filemanagerdol/browser/default/frmupload.php b/htdocs/core/filemanagerdol/browser/default/frmupload.php
index 5365ddce84d..88715e31549 100755
--- a/htdocs/core/filemanagerdol/browser/default/frmupload.php
+++ b/htdocs/core/filemanagerdol/browser/default/frmupload.php
@@ -21,7 +21,7 @@
 
 define('NOTOKENRENEWAL',1); // Disables token renewal
 
-require('../../../../main.inc.php');
+require '../../../../main.inc.php';
 ?>
 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
 <!--
diff --git a/htdocs/core/filemanagerdol/connectors/php/connector.php b/htdocs/core/filemanagerdol/connectors/php/connector.php
index 656c38c1c3a..f2bf9cc1404 100755
--- a/htdocs/core/filemanagerdol/connectors/php/connector.php
+++ b/htdocs/core/filemanagerdol/connectors/php/connector.php
@@ -24,11 +24,11 @@
 
 ob_start();
 
-require('./config.php');
-require('./util.php');
-require('./io.php');
-require('./basexml.php');
-require('./commands.php');
+require './config.php';
+require './util.php';
+require './io.php';
+require './basexml.php';
+require './commands.php';
 
 if ( !$Config['Enabled'] )
 	SendError(1, 'This connector is disabled. Please check the "editor/filemanager/connectors/php/config.php" file');
diff --git a/htdocs/core/filemanagerdol/connectors/php/upload.php b/htdocs/core/filemanagerdol/connectors/php/upload.php
index dc3de2a74a1..3be1c3e4fe0 100755
--- a/htdocs/core/filemanagerdol/connectors/php/upload.php
+++ b/htdocs/core/filemanagerdol/connectors/php/upload.php
@@ -22,10 +22,10 @@
  * This is the "File Uploader" for PHP.
  */
 
-require('./config.php');
-require('./util.php');
-require('./io.php');
-require('./commands.php');
+require './config.php';
+require './util.php';
+require './io.php';
+require './commands.php';
 
 function SendError( $number, $text )
 {
diff --git a/htdocs/core/photos_resize.php b/htdocs/core/photos_resize.php
index 8289387722b..4de1eab4d30 100644
--- a/htdocs/core/photos_resize.php
+++ b/htdocs/core/photos_resize.php
@@ -34,7 +34,7 @@
 //if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 //if (! defined("NOLOGIN"))        define("NOLOGIN",'1');       // If this page is public (can be called outside logged session)
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/core/tools.php b/htdocs/core/tools.php
index 886b898ae37..44662ec7d99 100755
--- a/htdocs/core/tools.php
+++ b/htdocs/core/tools.php
@@ -22,7 +22,7 @@
  *       \brief      Home page for top menu tools
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 $langs->load("companies");
 $langs->load("other");
diff --git a/htdocs/document.php b/htdocs/document.php
index 340296c1cc4..99e428462df 100644
--- a/htdocs/document.php
+++ b/htdocs/document.php
@@ -46,7 +46,7 @@ if (! defined('NOREQUIREAJAX')) define('NOREQUIREAJAX','1');
  */
 function llxHeader() { }
 
-require("./main.inc.php");	// Load $user and permissions
+require './main.inc.php';	// Load $user and permissions
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
 $encoding = '';
diff --git a/htdocs/ecm/docdir.php b/htdocs/ecm/docdir.php
index 3fe29f6ac11..8aee5bc984d 100644
--- a/htdocs/ecm/docdir.php
+++ b/htdocs/ecm/docdir.php
@@ -23,7 +23,7 @@
  *	\author		Laurent Destailleur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/ecm/class/htmlecm.form.class.php';
 require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';
diff --git a/htdocs/ecm/docfile.php b/htdocs/ecm/docfile.php
index d8f02c94e41..2edeb595c98 100644
--- a/htdocs/ecm/docfile.php
+++ b/htdocs/ecm/docfile.php
@@ -22,7 +22,7 @@
  *	\author		Laurent Destailleur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/ecm/docmine.php b/htdocs/ecm/docmine.php
index 61fb8da61b7..16c407457d0 100644
--- a/htdocs/ecm/docmine.php
+++ b/htdocs/ecm/docmine.php
@@ -23,7 +23,7 @@
  *	\author		Laurent Destailleur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/ecm/class/ecmdirectory.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/ecm/docother.php b/htdocs/ecm/docother.php
index b836a1c23bc..4c618c79e71 100644
--- a/htdocs/ecm/docother.php
+++ b/htdocs/ecm/docother.php
@@ -9,7 +9,7 @@
  *  \author		Laurent Destailleur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
diff --git a/htdocs/ecm/index.php b/htdocs/ecm/index.php
index c5cfbb8caed..0da4bcdff5d 100644
--- a/htdocs/ecm/index.php
+++ b/htdocs/ecm/index.php
@@ -25,7 +25,7 @@
 
 if (! defined('REQUIRE_JQUERY_LAYOUT'))  define('REQUIRE_JQUERY_LAYOUT','1');
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ecm.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/ecm/search.php b/htdocs/ecm/search.php
index 6765be82197..16ca5d56a36 100644
--- a/htdocs/ecm/search.php
+++ b/htdocs/ecm/search.php
@@ -23,7 +23,7 @@
  *	\author		Laurent Destailleur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ecm.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/expedition/contact.php b/htdocs/expedition/contact.php
index 24d4481292c..f74ccc9d02d 100644
--- a/htdocs/expedition/contact.php
+++ b/htdocs/expedition/contact.php
@@ -23,7 +23,7 @@
  *     \brief      Onglet de gestion des contacts de expedition
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/sendings.lib.php';
diff --git a/htdocs/expedition/fiche.php b/htdocs/expedition/fiche.php
index b0c7c424bb3..8270f86eaff 100644
--- a/htdocs/expedition/fiche.php
+++ b/htdocs/expedition/fiche.php
@@ -25,7 +25,7 @@
  *	\brief      Fiche descriptive d'une expedition
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/html.formproduct.class.php';
diff --git a/htdocs/expedition/index.php b/htdocs/expedition/index.php
index 5c6baed4e4d..aa35c12d092 100644
--- a/htdocs/expedition/index.php
+++ b/htdocs/expedition/index.php
@@ -23,9 +23,9 @@
  *       \brief      Home page of shipping area.
  */
 
-require("../main.inc.php");
-require(DOL_DOCUMENT_ROOT."/commande/class/commande.class.php");
-require(DOL_DOCUMENT_ROOT."/expedition/class/expedition.class.php");
+require '../main.inc.php';
+require DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
+require DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 
 $langs->load("orders");
 $langs->load("sendings");
diff --git a/htdocs/expedition/liste.php b/htdocs/expedition/liste.php
index 168b81fdffd..1225eb75c7d 100644
--- a/htdocs/expedition/liste.php
+++ b/htdocs/expedition/liste.php
@@ -23,7 +23,7 @@
  *      \brief      Page to list all shipments
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 
 $langs->load("sendings");
diff --git a/htdocs/expedition/shipment.php b/htdocs/expedition/shipment.php
index 947a1a844ac..f9b5d80fe62 100644
--- a/htdocs/expedition/shipment.php
+++ b/htdocs/expedition/shipment.php
@@ -23,7 +23,7 @@
  *	\ingroup    expedition
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/html.formproduct.class.php';
diff --git a/htdocs/expedition/stats/index.php b/htdocs/expedition/stats/index.php
index 6804837f31f..3e1f74ca35d 100644
--- a/htdocs/expedition/stats/index.php
+++ b/htdocs/expedition/stats/index.php
@@ -23,7 +23,7 @@
  *     \brief      Page des stats expeditions
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 
 $langs->load("sendings");
diff --git a/htdocs/expedition/stats/month.php b/htdocs/expedition/stats/month.php
index b4733edcbfa..538d8fa290b 100644
--- a/htdocs/expedition/stats/month.php
+++ b/htdocs/expedition/stats/month.php
@@ -22,7 +22,7 @@
  *    \brief      Page des stats expeditions par mois
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expedition.class.php';
 require_once DOL_DOCUMENT_ROOT.'/expedition/class/expeditionstats.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
diff --git a/htdocs/externalsite/admin/externalsite.php b/htdocs/externalsite/admin/externalsite.php
index 6e1e510712a..59a98ded0a2 100644
--- a/htdocs/externalsite/admin/externalsite.php
+++ b/htdocs/externalsite/admin/externalsite.php
@@ -26,7 +26,7 @@
  *    \brief      Page de configuration du module externalsite
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 
diff --git a/htdocs/externalsite/frames.php b/htdocs/externalsite/frames.php
index 64c88630fbe..734096506f5 100644
--- a/htdocs/externalsite/frames.php
+++ b/htdocs/externalsite/frames.php
@@ -23,7 +23,7 @@
  *     \author	   Laurent Destailleur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 $langs->load("externalsite@externalsite");
 
diff --git a/htdocs/fichinter/apercu.php b/htdocs/fichinter/apercu.php
index 1132882276e..2501f4cd88f 100644
--- a/htdocs/fichinter/apercu.php
+++ b/htdocs/fichinter/apercu.php
@@ -24,7 +24,7 @@
  * 		\brief		Page de l'onglet apercu d'une fiche d'intervention
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fichinter.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
diff --git a/htdocs/fichinter/contact.php b/htdocs/fichinter/contact.php
index bf795e43faf..4a12c061e02 100644
--- a/htdocs/fichinter/contact.php
+++ b/htdocs/fichinter/contact.php
@@ -23,7 +23,7 @@
  *       \brief      Onglet de gestion des contacts de fiche d'intervention
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fichinter.lib.php';
diff --git a/htdocs/fichinter/document.php b/htdocs/fichinter/document.php
index 6e2ec784050..c4647054f49 100644
--- a/htdocs/fichinter/document.php
+++ b/htdocs/fichinter/document.php
@@ -26,7 +26,7 @@
  *       \brief      Page des documents joints sur les contrats
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/fichinter/fiche.php b/htdocs/fichinter/fiche.php
index 5f79f455dd6..6434a08ddf1 100644
--- a/htdocs/fichinter/fiche.php
+++ b/htdocs/fichinter/fiche.php
@@ -24,7 +24,7 @@
  *	\ingroup    ficheinter
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/fichinter/modules_fichinter.php';
diff --git a/htdocs/fichinter/info.php b/htdocs/fichinter/info.php
index 018a81532a7..fe2b8802721 100644
--- a/htdocs/fichinter/info.php
+++ b/htdocs/fichinter/info.php
@@ -23,7 +23,7 @@
  *	\brief      Page d'affichage des infos d'une fiche d'intervention
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fichinter.lib.php';
diff --git a/htdocs/fichinter/list.php b/htdocs/fichinter/list.php
index e56650146af..98e9600b56a 100755
--- a/htdocs/fichinter/list.php
+++ b/htdocs/fichinter/list.php
@@ -24,7 +24,7 @@
  *	\ingroup    ficheinter
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/date.lib.php';
diff --git a/htdocs/fichinter/note.php b/htdocs/fichinter/note.php
index d43428d5c20..b284da446bb 100644
--- a/htdocs/fichinter/note.php
+++ b/htdocs/fichinter/note.php
@@ -22,7 +22,7 @@
  *	\brief      Fiche d'information sur une fiche d'intervention
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fichinter/class/fichinter.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fichinter.lib.php';
 
diff --git a/htdocs/fichinter/rapport.php b/htdocs/fichinter/rapport.php
index 6cf6a94c372..88f5eedd2f8 100644
--- a/htdocs/fichinter/rapport.php
+++ b/htdocs/fichinter/rapport.php
@@ -18,7 +18,7 @@
  *
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 
 $langs->load("interventions");
diff --git a/htdocs/fourn/ajax/getSupplierPrices.php b/htdocs/fourn/ajax/getSupplierPrices.php
index be7d706c63f..bc96428bccb 100644
--- a/htdocs/fourn/ajax/getSupplierPrices.php
+++ b/htdocs/fourn/ajax/getSupplierPrices.php
@@ -28,7 +28,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 //if (! defined('NOREQUIRETRAN'))  define('NOREQUIRETRAN','1');
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $idprod=GETPOST('idprod','int');
 
diff --git a/htdocs/fourn/commande/contact.php b/htdocs/fourn/commande/contact.php
index 17ea2a7966f..977f520ad97 100644
--- a/htdocs/fourn/commande/contact.php
+++ b/htdocs/fourn/commande/contact.php
@@ -23,7 +23,7 @@
  *       \brief      Onglet de gestion des contacts de commande
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
diff --git a/htdocs/fourn/commande/dispatch.php b/htdocs/fourn/commande/dispatch.php
index 362bdcf8ea1..d877dfef3d8 100644
--- a/htdocs/fourn/commande/dispatch.php
+++ b/htdocs/fourn/commande/dispatch.php
@@ -26,7 +26,7 @@
  *	\brief     Fiche de ventilation des commandes fournisseurs
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/supplier_order/modules_commandefournisseur.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
diff --git a/htdocs/fourn/commande/document.php b/htdocs/fourn/commande/document.php
index affc9245534..da69298763e 100644
--- a/htdocs/fourn/commande/document.php
+++ b/htdocs/fourn/commande/document.php
@@ -24,7 +24,7 @@
  *	\brief      Page de gestion des documents attachees a une commande fournisseur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/order.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/fourn/commande/fiche.php b/htdocs/fourn/commande/fiche.php
index 3a9d43179ff..e9f2b2f14a3 100644
--- a/htdocs/fourn/commande/fiche.php
+++ b/htdocs/fourn/commande/fiche.php
@@ -28,7 +28,7 @@
  *	\brief		Card supplier order
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formorder.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/supplier_order/modules_commandefournisseur.php';
diff --git a/htdocs/fourn/commande/history.php b/htdocs/fourn/commande/history.php
index d55e3c44674..2ba34ecc885 100644
--- a/htdocs/fourn/commande/history.php
+++ b/htdocs/fourn/commande/history.php
@@ -23,7 +23,7 @@
  *       \brief      Fiche commande
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 
diff --git a/htdocs/fourn/commande/index.php b/htdocs/fourn/commande/index.php
index f2fede8eb15..be28bda2549 100755
--- a/htdocs/fourn/commande/index.php
+++ b/htdocs/fourn/commande/index.php
@@ -24,7 +24,7 @@
  *	 \brief      Home page of supplier's orders area
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
diff --git a/htdocs/fourn/commande/liste.php b/htdocs/fourn/commande/liste.php
index f93152a174e..df1da58b387 100644
--- a/htdocs/fourn/commande/liste.php
+++ b/htdocs/fourn/commande/liste.php
@@ -23,7 +23,7 @@
  *   \brief      List of suppliers orders
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 
diff --git a/htdocs/fourn/commande/note.php b/htdocs/fourn/commande/note.php
index ad785cd25b6..b1c2244869a 100644
--- a/htdocs/fourn/commande/note.php
+++ b/htdocs/fourn/commande/note.php
@@ -23,7 +23,7 @@
  *       \brief      Fiche note commande
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 
diff --git a/htdocs/fourn/contact.php b/htdocs/fourn/contact.php
index 19d8d0cd01e..958c8cec9b2 100644
--- a/htdocs/fourn/contact.php
+++ b/htdocs/fourn/contact.php
@@ -23,7 +23,7 @@
  *		\brief      Liste des contacts fournisseurs
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 $langs->load("companies");
 
diff --git a/htdocs/fourn/facture/contact.php b/htdocs/fourn/facture/contact.php
index 243aadf00ff..e5ed3272363 100644
--- a/htdocs/fourn/facture/contact.php
+++ b/htdocs/fourn/facture/contact.php
@@ -23,7 +23,7 @@
  *      \brief      Onglet de gestion des contacts des factures
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
diff --git a/htdocs/fourn/facture/document.php b/htdocs/fourn/facture/document.php
index 66f8d120071..a3f1df2bd88 100644
--- a/htdocs/fourn/facture/document.php
+++ b/htdocs/fourn/facture/document.php
@@ -24,7 +24,7 @@
  *       \brief      Page de gestion des documents attachees a une facture fournisseur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
diff --git a/htdocs/fourn/facture/fiche.php b/htdocs/fourn/facture/fiche.php
index eacb3de3350..513a820cafc 100644
--- a/htdocs/fourn/facture/fiche.php
+++ b/htdocs/fourn/facture/fiche.php
@@ -26,7 +26,7 @@
  *	\brief      Page for supplier invoice card (view, edit, validate)
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/supplier_invoice/modules_facturefournisseur.php';
diff --git a/htdocs/fourn/facture/impayees.php b/htdocs/fourn/facture/impayees.php
index d0f15320986..5257a2c83f3 100644
--- a/htdocs/fourn/facture/impayees.php
+++ b/htdocs/fourn/facture/impayees.php
@@ -26,7 +26,7 @@
  *		\brief      Page to list all unpaid invoices
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/paiement/class/paiement.class.php';
diff --git a/htdocs/fourn/facture/index.php b/htdocs/fourn/facture/index.php
index 28f421adee8..c141d627715 100644
--- a/htdocs/fourn/facture/index.php
+++ b/htdocs/fourn/facture/index.php
@@ -23,7 +23,7 @@
  *       \brief      List of suppliers invoices
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
diff --git a/htdocs/fourn/facture/info.php b/htdocs/fourn/facture/info.php
index 49d9aa54e49..d93b48e86bc 100644
--- a/htdocs/fourn/facture/info.php
+++ b/htdocs/fourn/facture/info.php
@@ -23,7 +23,7 @@
  *		\brief      Page des informations d'une facture fournisseur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/fourn/facture/note.php b/htdocs/fourn/facture/note.php
index 1b08221ae31..5cdecfeeab0 100644
--- a/htdocs/fourn/facture/note.php
+++ b/htdocs/fourn/facture/note.php
@@ -23,7 +23,7 @@
  *      \brief      Fiche de notes sur une facture fournisseur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/fourn.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
diff --git a/htdocs/fourn/facture/paiement.php b/htdocs/fourn/facture/paiement.php
index fa31e9c0a33..3154301214b 100644
--- a/htdocs/fourn/facture/paiement.php
+++ b/htdocs/fourn/facture/paiement.php
@@ -26,10 +26,10 @@
  *	\brief      Payment page for suppliers invoices
  */
 
-require("../../main.inc.php");
-require(DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php');
-require(DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php');
-require(DOL_DOCUMENT_ROOT.'/fourn/class/paiementfourn.class.php');
+require '../../main.inc.php';
+require DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
+require DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
+require DOL_DOCUMENT_ROOT.'/fourn/class/paiementfourn.class.php';
 
 $langs->load('companies');
 $langs->load('bills');
diff --git a/htdocs/fourn/fiche.php b/htdocs/fourn/fiche.php
index 95ff9ae3485..488f260237a 100644
--- a/htdocs/fourn/fiche.php
+++ b/htdocs/fourn/fiche.php
@@ -25,7 +25,7 @@
  *	\brief      Page for supplier third party card (view, edit)
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
diff --git a/htdocs/fourn/index.php b/htdocs/fourn/index.php
index c73885a328c..b3935d7c6e6 100644
--- a/htdocs/fourn/index.php
+++ b/htdocs/fourn/index.php
@@ -23,7 +23,7 @@
  *	\brief      Home page of suppliers area
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
diff --git a/htdocs/fourn/liste.php b/htdocs/fourn/liste.php
index 04eb408de33..956dbf82b7e 100644
--- a/htdocs/fourn/liste.php
+++ b/htdocs/fourn/liste.php
@@ -24,7 +24,7 @@
  *       \brief      Home page of supplier area
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 
 $langs->load("suppliers");
diff --git a/htdocs/fourn/paiement/fiche.php b/htdocs/fourn/paiement/fiche.php
index dfb40716ce8..cbb7798ec21 100644
--- a/htdocs/fourn/paiement/fiche.php
+++ b/htdocs/fourn/paiement/fiche.php
@@ -24,10 +24,10 @@
  *	\remarks	Fichier presque identique a compta/paiement/fiche.php
  */
 
-require("../../main.inc.php");
-require(DOL_DOCUMENT_ROOT.'/fourn/class/paiementfourn.class.php');
-require(DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php');
-require(DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php');
+require '../../main.inc.php';
+require DOL_DOCUMENT_ROOT.'/fourn/class/paiementfourn.class.php';
+require DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
+require DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 
 $langs->load('bills');
 $langs->load('banks');
diff --git a/htdocs/fourn/paiement/info.php b/htdocs/fourn/paiement/info.php
index 164011e0db9..5431bd2efff 100644
--- a/htdocs/fourn/paiement/info.php
+++ b/htdocs/fourn/paiement/info.php
@@ -22,7 +22,7 @@
  *		\brief      Onglet info d'un paiement fournisseur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/paiementfourn.class.php';
 
diff --git a/htdocs/fourn/product/categorie.php b/htdocs/fourn/product/categorie.php
index 768d9489bb3..653093695d3 100644
--- a/htdocs/fourn/product/categorie.php
+++ b/htdocs/fourn/product/categorie.php
@@ -24,7 +24,7 @@
  *	\brief      Page of products categories
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
 $langs->load("categories");
diff --git a/htdocs/fourn/product/index.php b/htdocs/fourn/product/index.php
index 4f9d8fd7c3e..bfee87d146d 100644
--- a/htdocs/fourn/product/index.php
+++ b/htdocs/fourn/product/index.php
@@ -22,7 +22,7 @@
  *   \brief      Page accueil des produits et services
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 // Security check
 if (!$user->rights->produit->lire && !$user->rights->service->lire) accessforbidden();
diff --git a/htdocs/fourn/product/liste.php b/htdocs/fourn/product/liste.php
index 778faeec581..5a864b7f722 100644
--- a/htdocs/fourn/product/liste.php
+++ b/htdocs/fourn/product/liste.php
@@ -24,7 +24,7 @@
  *		\brief      Page liste des produits ou services
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.class.php';
diff --git a/htdocs/fourn/product/photos.php b/htdocs/fourn/product/photos.php
index cf6e6fa9f38..7dc2d69c44d 100644
--- a/htdocs/fourn/product/photos.php
+++ b/htdocs/fourn/product/photos.php
@@ -22,7 +22,7 @@
  *  \brief      Page de la fiche produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
 $id = GETPOST('id', 'int');
diff --git a/htdocs/fourn/recap-fourn.php b/htdocs/fourn/recap-fourn.php
index d1b3f0ffbcc..48ccca8a0da 100644
--- a/htdocs/fourn/recap-fourn.php
+++ b/htdocs/fourn/recap-fourn.php
@@ -22,7 +22,7 @@
  *		\brief      Page de fiche recap fournisseur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 
diff --git a/htdocs/ftp/admin/ftpclient.php b/htdocs/ftp/admin/ftpclient.php
index 2ede9728a5d..ed4176da689 100644
--- a/htdocs/ftp/admin/ftpclient.php
+++ b/htdocs/ftp/admin/ftpclient.php
@@ -22,7 +22,7 @@
  *       \brief      Admin page to setup FTP client module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
diff --git a/htdocs/ftp/index.php b/htdocs/ftp/index.php
index c63ef8fcb8a..3dcf09ab5dd 100644
--- a/htdocs/ftp/index.php
+++ b/htdocs/ftp/index.php
@@ -23,7 +23,7 @@
  *	\author		Laurent Destailleur
  */
 
-require("./pre.inc.php");	// We use pre.inc.php to have a dynamic menu
+require './pre.inc.php';	// We use pre.inc.php to have a dynamic menu
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/treeview.lib.php';
diff --git a/htdocs/imports/emptyexample.php b/htdocs/imports/emptyexample.php
index a9a023c787e..0363c1d29f6 100644
--- a/htdocs/imports/emptyexample.php
+++ b/htdocs/imports/emptyexample.php
@@ -26,7 +26,7 @@ function llxHeader() { print '<html><title>Build an import example file</title><
 // This file is a wrapper, so empty footer
 function llxFooter() { print '</body></html>'; }
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/imports/class/import.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/import/modules_import.php';
diff --git a/htdocs/index.php b/htdocs/index.php
index d634545c59d..24a71220d32 100644
--- a/htdocs/index.php
+++ b/htdocs/index.php
@@ -25,7 +25,7 @@
 
 define('NOCSRFCHECK',1);	// This is login page. We must be able to go on it from another web site.
 
-require("./main.inc.php");
+require './main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 
 
diff --git a/htdocs/livraison/fiche.php b/htdocs/livraison/fiche.php
index e80f2646f51..b0b949a4ed0 100644
--- a/htdocs/livraison/fiche.php
+++ b/htdocs/livraison/fiche.php
@@ -25,7 +25,7 @@
  *	\brief      Fiche descriptive d'un bon de livraison=reception
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/livraison/class/livraison.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/modules/livraison/modules_livraison.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
diff --git a/htdocs/margin/agentMargins.php b/htdocs/margin/agentMargins.php
index 4435704b45d..1ee828a95a2 100644
--- a/htdocs/margin/agentMargins.php
+++ b/htdocs/margin/agentMargins.php
@@ -21,7 +21,7 @@
  *	\brief      Page des marges par agent commercial
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/margin/customerMargins.php b/htdocs/margin/customerMargins.php
index 68f6e5b8bc5..0bfc0178be1 100644
--- a/htdocs/margin/customerMargins.php
+++ b/htdocs/margin/customerMargins.php
@@ -21,7 +21,7 @@
  *	\brief      Page des marges par client
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/margin/index.php b/htdocs/margin/index.php
index e16f01ac6c0..14e2a76561b 100644
--- a/htdocs/margin/index.php
+++ b/htdocs/margin/index.php
@@ -21,6 +21,6 @@
  *	\brief      Page d'index du module margin
  */
 
-require("./productMargins.php");
+require './productMargins.php';
 
 ?>
diff --git a/htdocs/margin/productMargins.php b/htdocs/margin/productMargins.php
index 49735cff4d7..bf6e96726fb 100644
--- a/htdocs/margin/productMargins.php
+++ b/htdocs/margin/productMargins.php
@@ -21,7 +21,7 @@
  *	\brief      Page des marges par produit
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/margin/tabs/productMargins.php b/htdocs/margin/tabs/productMargins.php
index 5d77b41d17e..732589eabc4 100644
--- a/htdocs/margin/tabs/productMargins.php
+++ b/htdocs/margin/tabs/productMargins.php
@@ -21,7 +21,7 @@
  *	\brief      Page des marges des factures clients pour un produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/margin/tabs/thirdpartyMargins.php b/htdocs/margin/tabs/thirdpartyMargins.php
index 2eac3e91e14..ff6aa959b09 100644
--- a/htdocs/margin/tabs/thirdpartyMargins.php
+++ b/htdocs/margin/tabs/thirdpartyMargins.php
@@ -21,7 +21,7 @@
  *	\brief      Page des marges des factures clients pour un tiers
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/paybox/admin/paybox.php b/htdocs/paybox/admin/paybox.php
index 05d1a543583..af7821b5bd2 100644
--- a/htdocs/paybox/admin/paybox.php
+++ b/htdocs/paybox/admin/paybox.php
@@ -23,7 +23,7 @@
  * \brief      Page to setup paybox module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
 
diff --git a/htdocs/paypal/admin/paypal.php b/htdocs/paypal/admin/paypal.php
index 7dbdb9e13ec..5a2b28b722b 100644
--- a/htdocs/paypal/admin/paypal.php
+++ b/htdocs/paypal/admin/paypal.php
@@ -24,7 +24,7 @@
  * \brief      Page to setup paypal module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypal.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/doleditor.class.php';
diff --git a/htdocs/product/admin/product.php b/htdocs/product/admin/product.php
index b4fd5ef1be6..4c6282709a7 100644
--- a/htdocs/product/admin/product.php
+++ b/htdocs/product/admin/product.php
@@ -27,7 +27,7 @@
  *  \brief      Setup page of product module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formbarcode.class.php';
diff --git a/htdocs/product/admin/product_extrafields.php b/htdocs/product/admin/product_extrafields.php
index 9018220355a..7df63282be0 100755
--- a/htdocs/product/admin/product_extrafields.php
+++ b/htdocs/product/admin/product_extrafields.php
@@ -24,7 +24,7 @@
  *		\brief      Page to setup extra fields of third party
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
@@ -54,7 +54,7 @@ if (!$user->admin) accessforbidden();
  * Actions
  */
 
-require(DOL_DOCUMENT_ROOT."/core/admin_extrafields.inc.php");
+require DOL_DOCUMENT_ROOT.'/core/admin_extrafields.inc.php';
 
 
 
diff --git a/htdocs/product/admin/product_tools.php b/htdocs/product/admin/product_tools.php
index c67c0b49209..7afe44418e9 100644
--- a/htdocs/product/admin/product_tools.php
+++ b/htdocs/product/admin/product_tools.php
@@ -21,7 +21,7 @@
  *  \brief      Setup page of product module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/ajax/products.php b/htdocs/product/ajax/products.php
index 482ccb2cb4c..9a8f3b87f3d 100644
--- a/htdocs/product/ajax/products.php
+++ b/htdocs/product/ajax/products.php
@@ -30,7 +30,7 @@ if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOCSRFCHECK'))    define('NOCSRFCHECK','1');
 if (empty($_GET['keysearch']) && ! defined('NOREQUIREHTML'))  define('NOREQUIREHTML','1');
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.form.class.php';
 
 $langs->load("products");
diff --git a/htdocs/product/composition/fiche.php b/htdocs/product/composition/fiche.php
index ff2e42c7460..9c365c950e8 100644
--- a/htdocs/product/composition/fiche.php
+++ b/htdocs/product/composition/fiche.php
@@ -26,7 +26,7 @@
  *  \brief      Page de la fiche produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/document.php b/htdocs/product/document.php
index fef6bb8f67a..f6d1c8156d0 100755
--- a/htdocs/product/document.php
+++ b/htdocs/product/document.php
@@ -25,7 +25,7 @@
  *       \brief      Page des documents joints sur les produits
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/product/fiche.php b/htdocs/product/fiche.php
index e9c4b071ba9..212d10c5c70 100644
--- a/htdocs/product/fiche.php
+++ b/htdocs/product/fiche.php
@@ -27,7 +27,7 @@
  *  \brief      Page to show product
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/canvas.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/html.formproduct.class.php';
diff --git a/htdocs/product/fournisseurs.php b/htdocs/product/fournisseurs.php
index 8d6650f0b5b..b97d43dba10 100644
--- a/htdocs/product/fournisseurs.php
+++ b/htdocs/product/fournisseurs.php
@@ -26,7 +26,7 @@
  *  \brief      Page of tab suppliers for products
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
diff --git a/htdocs/product/index.php b/htdocs/product/index.php
index f35f1de9198..d30303f91f7 100644
--- a/htdocs/product/index.php
+++ b/htdocs/product/index.php
@@ -23,7 +23,7 @@
  *  \brief      Page accueil des produits et services
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
 $type=isset($_GET["type"])?$_GET["type"]:(isset($_POST["type"])?$_POST["type"]:'');
diff --git a/htdocs/product/liste.php b/htdocs/product/liste.php
index f4f0d78ec9d..1f0c7ebaf97 100644
--- a/htdocs/product/liste.php
+++ b/htdocs/product/liste.php
@@ -23,7 +23,7 @@
  *  \brief      Page to list products and services
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
diff --git a/htdocs/product/photos.php b/htdocs/product/photos.php
index 75dae32c827..803485857b8 100644
--- a/htdocs/product/photos.php
+++ b/htdocs/product/photos.php
@@ -24,7 +24,7 @@
  *	\brief      Onglet photos de la fiche produit
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formfile.class.php';
diff --git a/htdocs/product/popuprop.php b/htdocs/product/popuprop.php
index c05ce91b503..36aa1c1c413 100644
--- a/htdocs/product/popuprop.php
+++ b/htdocs/product/popuprop.php
@@ -24,7 +24,7 @@
  * \brief      Liste des produits/services par popularite
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
 //Required to translate NbOfProposals
diff --git a/htdocs/product/price.php b/htdocs/product/price.php
index 1bb86e5dd52..724b13a0467 100644
--- a/htdocs/product/price.php
+++ b/htdocs/product/price.php
@@ -25,7 +25,7 @@
  *	\brief      Page to show product prices
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 
diff --git a/htdocs/product/reassort.php b/htdocs/product/reassort.php
index 759fe2a49c4..0fe19be03fb 100644
--- a/htdocs/product/reassort.php
+++ b/htdocs/product/reassort.php
@@ -23,7 +23,7 @@
  *  \brief      Page to list stocks
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
 require_once DOL_DOCUMENT_ROOT.'/categories/class/categorie.class.php';
diff --git a/htdocs/product/stats/commande.php b/htdocs/product/stats/commande.php
index 7d5cf232b0b..7541ab43777 100644
--- a/htdocs/product/stats/commande.php
+++ b/htdocs/product/stats/commande.php
@@ -23,7 +23,7 @@
  *       \brief      Page des stats des commandes clients pour un produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/stats/commande_fournisseur.php b/htdocs/product/stats/commande_fournisseur.php
index 55752d9c4f9..b4a4df41637 100644
--- a/htdocs/product/stats/commande_fournisseur.php
+++ b/htdocs/product/stats/commande_fournisseur.php
@@ -23,7 +23,7 @@
  *	\brief      Page des stats des commandes fournisseurs pour un produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/commande/class/commande.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/stats/contrat.php b/htdocs/product/stats/contrat.php
index d2c10b90d0a..7f1424705c9 100644
--- a/htdocs/product/stats/contrat.php
+++ b/htdocs/product/stats/contrat.php
@@ -23,7 +23,7 @@
  *       \brief      Page des stats des contrats pour un produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contrat/class/contrat.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/stats/facture.php b/htdocs/product/stats/facture.php
index 2f580ad9f20..2492e52f9dc 100644
--- a/htdocs/product/stats/facture.php
+++ b/htdocs/product/stats/facture.php
@@ -23,7 +23,7 @@
  *	\brief      Page des stats des factures clients pour un produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/stats/facture_fournisseur.php b/htdocs/product/stats/facture_fournisseur.php
index 5ac94b768f3..b34bfb472ec 100644
--- a/htdocs/product/stats/facture_fournisseur.php
+++ b/htdocs/product/stats/facture_fournisseur.php
@@ -23,7 +23,7 @@
  *       \brief      Page des stats des factures fournisseurs pour un produit
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/fourn/class/fournisseur.facture.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/stats/fiche.php b/htdocs/product/stats/fiche.php
index c3b6c341c92..1cb107a3ff7 100644
--- a/htdocs/product/stats/fiche.php
+++ b/htdocs/product/stats/fiche.php
@@ -24,7 +24,7 @@
  *       \brief      Page of product statistics
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/dolgraph.class.php';
diff --git a/htdocs/product/stats/propal.php b/htdocs/product/stats/propal.php
index 3378d7070cf..c597566eac6 100644
--- a/htdocs/product/stats/propal.php
+++ b/htdocs/product/stats/propal.php
@@ -24,7 +24,7 @@
  */
 
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/product/stock/fiche-valo.php b/htdocs/product/stock/fiche-valo.php
index f7e53d25c29..ef79496af20 100644
--- a/htdocs/product/stock/fiche-valo.php
+++ b/htdocs/product/stock/fiche-valo.php
@@ -22,7 +22,7 @@
  *	\brief      Page fiche de valorisation du stock dans l'entrepot
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/stock.lib.php';
 
diff --git a/htdocs/product/stock/fiche.php b/htdocs/product/stock/fiche.php
index 4685f06ac99..b748d03069b 100644
--- a/htdocs/product/stock/fiche.php
+++ b/htdocs/product/stock/fiche.php
@@ -24,7 +24,7 @@
  *	\brief      Page fiche entrepot
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/stock.lib.php';
diff --git a/htdocs/product/stock/index.php b/htdocs/product/stock/index.php
index a2a6f170681..4eca0b8c1b6 100644
--- a/htdocs/product/stock/index.php
+++ b/htdocs/product/stock/index.php
@@ -24,7 +24,7 @@
  *  \brief      Home page of stock area
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 
 $langs->load("stocks");
diff --git a/htdocs/product/stock/info.php b/htdocs/product/stock/info.php
index 708ac79ff12..46e13daee1f 100644
--- a/htdocs/product/stock/info.php
+++ b/htdocs/product/stock/info.php
@@ -21,7 +21,7 @@
  *	\brief      Page des informations d'un entrepot
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/stock.lib.php';
diff --git a/htdocs/product/stock/liste.php b/htdocs/product/stock/liste.php
index be060cd6e1b..0f7ae3ae69b 100644
--- a/htdocs/product/stock/liste.php
+++ b/htdocs/product/stock/liste.php
@@ -23,7 +23,7 @@
  *      \brief      Page liste des stocks
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 
 $langs->load("stocks");
diff --git a/htdocs/product/stock/mouvement.php b/htdocs/product/stock/mouvement.php
index d06dda1fce2..b9fa376ff67 100644
--- a/htdocs/product/stock/mouvement.php
+++ b/htdocs/product/stock/mouvement.php
@@ -23,7 +23,7 @@
  *	\brief      Page to list stock movements
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formother.class.php';
diff --git a/htdocs/product/stock/product.php b/htdocs/product/stock/product.php
index 517cce1136b..23e884c2e4a 100644
--- a/htdocs/product/stock/product.php
+++ b/htdocs/product/stock/product.php
@@ -25,7 +25,7 @@
  *	\brief      Page to list detailed stock of a product
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
diff --git a/htdocs/product/stock/valo.php b/htdocs/product/stock/valo.php
index e4c174af66f..741012ad348 100644
--- a/htdocs/product/stock/valo.php
+++ b/htdocs/product/stock/valo.php
@@ -23,7 +23,7 @@
  *  \brief      Page with stock values
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/product/stock/class/entrepot.class.php';
 
 $langs->load("stocks");
diff --git a/htdocs/product/traduction.php b/htdocs/product/traduction.php
index a2e353d1aa1..ac85a450231 100644
--- a/htdocs/product/traduction.php
+++ b/htdocs/product/traduction.php
@@ -24,7 +24,7 @@
  *	\brief      Page de traduction des produits
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/product.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/product/class/product.class.php';
diff --git a/htdocs/projet/contact.php b/htdocs/projet/contact.php
index 67099a9b303..213cc3f2e4a 100644
--- a/htdocs/projet/contact.php
+++ b/htdocs/projet/contact.php
@@ -22,7 +22,7 @@
  *       \brief      Onglet de gestion des contacts du projet
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
diff --git a/htdocs/projet/document.php b/htdocs/projet/document.php
index c62c9cf652a..6c956596979 100644
--- a/htdocs/projet/document.php
+++ b/htdocs/projet/document.php
@@ -22,7 +22,7 @@
  *	\brief      Page de gestion des documents attachees a un projet
  */
 
-require('../main.inc.php');
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/projet/element.php b/htdocs/projet/element.php
index 07488f9cfcc..ee236837a3e 100644
--- a/htdocs/projet/element.php
+++ b/htdocs/projet/element.php
@@ -24,7 +24,7 @@
  *		\brief      Page of project referrers
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
 if ($conf->propal->enabled)      require_once DOL_DOCUMENT_ROOT.'/comm/propal/class/propal.class.php';
diff --git a/htdocs/projet/fiche.php b/htdocs/projet/fiche.php
index c9c4ac3a7df..4c183a409c5 100644
--- a/htdocs/projet/fiche.php
+++ b/htdocs/projet/fiche.php
@@ -23,7 +23,7 @@
  *	\brief      Project card
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/task.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
diff --git a/htdocs/projet/index.php b/htdocs/projet/index.php
index c4c93881085..4ff4394e995 100644
--- a/htdocs/projet/index.php
+++ b/htdocs/projet/index.php
@@ -23,7 +23,7 @@
  *       \brief      Main project home page
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
 
diff --git a/htdocs/projet/liste.php b/htdocs/projet/liste.php
index d70992b11d9..9795b61f6c1 100644
--- a/htdocs/projet/liste.php
+++ b/htdocs/projet/liste.php
@@ -24,7 +24,7 @@
  *	\brief      Page to list projects
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 
 $langs->load('projects');
diff --git a/htdocs/projet/note.php b/htdocs/projet/note.php
index db5a0929d9d..350e1050696 100644
--- a/htdocs/projet/note.php
+++ b/htdocs/projet/note.php
@@ -22,7 +22,7 @@
  *	\brief      Fiche d'information sur un projet
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
 
diff --git a/htdocs/projet/tasks/document.php b/htdocs/projet/tasks/document.php
index c29219a6a05..3e9e7741550 100644
--- a/htdocs/projet/tasks/document.php
+++ b/htdocs/projet/tasks/document.php
@@ -23,7 +23,7 @@
  *	\brief      Page de gestion des documents attachees a une tache d'un projet
  */
 
-require('../../main.inc.php');
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/task.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
diff --git a/htdocs/projet/tasks/time.php b/htdocs/projet/tasks/time.php
index c3b265947e8..4b658f162b1 100644
--- a/htdocs/projet/tasks/time.php
+++ b/htdocs/projet/tasks/time.php
@@ -24,7 +24,7 @@
  *	\brief      Page to add new time spent on a task
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/project.class.php';
 require_once DOL_DOCUMENT_ROOT.'/projet/class/task.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/project.lib.php';
diff --git a/htdocs/public/agenda/agendaexport.php b/htdocs/public/agenda/agendaexport.php
index ce55adec17c..d2c3eb24a71 100644
--- a/htdocs/public/agenda/agendaexport.php
+++ b/htdocs/public/agenda/agendaexport.php
@@ -49,7 +49,7 @@ function llxHeaderVierge() { print '<html><title>Export agenda cal</title><body>
  */
 function llxFooterVierge() { print '</body></html>'; }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/comm/action/class/actioncomm.class.php';
 
 // Security check
diff --git a/htdocs/public/agenda/index.php b/htdocs/public/agenda/index.php
index 272dfb4385b..260c783ec75 100644
--- a/htdocs/public/agenda/index.php
+++ b/htdocs/public/agenda/index.php
@@ -22,7 +22,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../../master.inc.php");
+require '../../master.inc.php';
 
 header("Location: ".DOL_URL_ROOT.'/public/error-404.php');
 
diff --git a/htdocs/public/demo/index.php b/htdocs/public/demo/index.php
index f53e2551ba2..485d2d03291 100644
--- a/htdocs/public/demo/index.php
+++ b/htdocs/public/demo/index.php
@@ -27,7 +27,7 @@
 define("NOLOGIN",1);	// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $langs->load("main");
 $langs->load("install");
diff --git a/htdocs/public/donations/donateurs_code.php b/htdocs/public/donations/donateurs_code.php
index 633e7e8b550..c21daf2ce9e 100644
--- a/htdocs/public/donations/donateurs_code.php
+++ b/htdocs/public/donations/donateurs_code.php
@@ -38,7 +38,7 @@ function llxHeaderVierge() { print '<html><title>Export agenda cal</title><body>
  */
 function llxFooterVierge() { print '</body></html>'; }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT .'/compta/dons/class/class/don.class.php';
 
 // Security check
diff --git a/htdocs/public/donations/index.php b/htdocs/public/donations/index.php
index 2aaf1de030e..bb79f97d90d 100644
--- a/htdocs/public/donations/index.php
+++ b/htdocs/public/donations/index.php
@@ -22,7 +22,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../../master.inc.php");
+require '../../master.inc.php';
 
 header("Location: ".DOL_URL_ROOT.'/public/error-404.php');
 
diff --git a/htdocs/public/donations/therm.php b/htdocs/public/donations/therm.php
index cce9756eff0..c8bdf5b78c1 100644
--- a/htdocs/public/donations/therm.php
+++ b/htdocs/public/donations/therm.php
@@ -25,7 +25,7 @@
 define("NOLOGIN",1);		// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/dons/class/don.class.php';
 
diff --git a/htdocs/public/emailing/mailing-read.php b/htdocs/public/emailing/mailing-read.php
index 884509eebde..6a17d7ace31 100644
--- a/htdocs/public/emailing/mailing-read.php
+++ b/htdocs/public/emailing/mailing-read.php
@@ -28,7 +28,7 @@
 define("NOLOGIN",1);		// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 $id=GETPOST('tag');
 
diff --git a/htdocs/public/emailing/mailing-unsubscribe.php b/htdocs/public/emailing/mailing-unsubscribe.php
index a5cfb54883d..db91864e3f6 100644
--- a/htdocs/public/emailing/mailing-unsubscribe.php
+++ b/htdocs/public/emailing/mailing-unsubscribe.php
@@ -28,7 +28,7 @@
 define("NOLOGIN",1);		// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/lib/company.lib.php';
 
 global $user, $conf, $langs;
diff --git a/htdocs/public/index.php b/htdocs/public/index.php
index aeb6f2c8050..dc5ac64e405 100644
--- a/htdocs/public/index.php
+++ b/htdocs/public/index.php
@@ -22,7 +22,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../master.inc.php");
+require '../master.inc.php';
 
 header("Location: ".DOL_URL_ROOT.'/public/error-404.php');
 
diff --git a/htdocs/public/members/index.php b/htdocs/public/members/index.php
index d257412fedc..b55bfcde9ad 100644
--- a/htdocs/public/members/index.php
+++ b/htdocs/public/members/index.php
@@ -22,7 +22,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../../master.inc.php");
+require '../../master.inc.php';
 
 header("Location: ".DOL_URL_ROOT.'/public/error-404.php');
 
diff --git a/htdocs/public/members/new.php b/htdocs/public/members/new.php
index 1ac10ceb0c6..70ac3033c1d 100644
--- a/htdocs/public/members/new.php
+++ b/htdocs/public/members/new.php
@@ -45,7 +45,7 @@ if (is_int($entity))
 	define("DOLENTITY", $entity);
 }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
diff --git a/htdocs/public/members/public_card.php b/htdocs/public/members/public_card.php
index 2ce60c9d869..d9b6c1c58d3 100644
--- a/htdocs/public/members/public_card.php
+++ b/htdocs/public/members/public_card.php
@@ -34,7 +34,7 @@ if (is_int($entity))
 	define("DOLENTITY", $entity);
 }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent.class.php';
 require_once DOL_DOCUMENT_ROOT.'/adherents/class/adherent_type.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
diff --git a/htdocs/public/members/public_list.php b/htdocs/public/members/public_list.php
index 42a47f789f4..7cfe37c5067 100644
--- a/htdocs/public/members/public_list.php
+++ b/htdocs/public/members/public_list.php
@@ -34,7 +34,7 @@ if (is_int($entity))
 	define("DOLENTITY", $entity);
 }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 // Security check
 if (empty($conf->adherent->enabled)) accessforbidden('',1,1,1);
diff --git a/htdocs/public/paybox/index.php b/htdocs/public/paybox/index.php
index afc81b401af..b7992c42335 100644
--- a/htdocs/public/paybox/index.php
+++ b/htdocs/public/paybox/index.php
@@ -22,7 +22,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../../master.inc.php");
+require '../../master.inc.php';
 
 header("Location: ".DOL_URL_ROOT.'/public/error-404.php');
 
diff --git a/htdocs/public/paybox/newpayment.php b/htdocs/public/paybox/newpayment.php
index 889ba702a68..febd6130f67 100644
--- a/htdocs/public/paybox/newpayment.php
+++ b/htdocs/public/paybox/newpayment.php
@@ -27,7 +27,7 @@
 define("NOLOGIN",1);		// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paybox/lib/paybox.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/public/paybox/paymentko.php b/htdocs/public/paybox/paymentko.php
index 6148182e0ff..ca7444494a2 100644
--- a/htdocs/public/paybox/paymentko.php
+++ b/htdocs/public/paybox/paymentko.php
@@ -26,7 +26,7 @@
 define("NOLOGIN",1);		// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paybox/lib/paybox.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 
diff --git a/htdocs/public/paybox/paymentok.php b/htdocs/public/paybox/paymentok.php
index 53c1214ef04..5763dd3f3b0 100644
--- a/htdocs/public/paybox/paymentok.php
+++ b/htdocs/public/paybox/paymentok.php
@@ -26,7 +26,7 @@
 define("NOLOGIN",1);		// This means this output page does not require to be logged.
 define("NOCSRFCHECK",1);	// We accept to go on this page from external web site.
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paybox/lib/paybox.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 
diff --git a/htdocs/public/paypal/index.php b/htdocs/public/paypal/index.php
index d0d3c44daa9..072500943e2 100755
--- a/htdocs/public/paypal/index.php
+++ b/htdocs/public/paypal/index.php
@@ -22,7 +22,7 @@
  *		\author	    Laurent Destailleur
  */
 
-require("../../master.inc.php");
+require '../../master.inc.php';
 
 header("Location: ".DOL_URL_ROOT.'/public/error-404.php');
 
diff --git a/htdocs/public/paypal/newpayment.php b/htdocs/public/paypal/newpayment.php
index a8a9116e16c..acea9f714d0 100755
--- a/htdocs/public/paypal/newpayment.php
+++ b/htdocs/public/paypal/newpayment.php
@@ -34,7 +34,7 @@ if (is_int($entity))
 	define("DOLENTITY", $entity);
 }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypal.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypalfunctions.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
diff --git a/htdocs/public/paypal/paymentko.php b/htdocs/public/paypal/paymentko.php
index 44d3b69e3c6..29d00042db8 100755
--- a/htdocs/public/paypal/paymentko.php
+++ b/htdocs/public/paypal/paymentko.php
@@ -36,7 +36,7 @@ if (is_int($entity))
 	define("DOLENTITY", $entity);
 }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypal.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypalfunctions.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
diff --git a/htdocs/public/paypal/paymentok.php b/htdocs/public/paypal/paymentok.php
index a41e0d90e0e..768bc4f2578 100755
--- a/htdocs/public/paypal/paymentok.php
+++ b/htdocs/public/paypal/paymentok.php
@@ -36,7 +36,7 @@ if (is_int($entity))
 	define("DOLENTITY", $entity);
 }
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypal.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/paypal/lib/paypalfunctions.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
diff --git a/htdocs/societe/admin/societe.php b/htdocs/societe/admin/societe.php
index 0b5a8a9ebbe..6b7b4fdb09d 100644
--- a/htdocs/societe/admin/societe.php
+++ b/htdocs/societe/admin/societe.php
@@ -25,7 +25,7 @@
  *	\brief      Third party module setup page
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 
diff --git a/htdocs/societe/admin/societe_extrafields.php b/htdocs/societe/admin/societe_extrafields.php
index 7310a20e4b4..5149bcee1ac 100755
--- a/htdocs/societe/admin/societe_extrafields.php
+++ b/htdocs/societe/admin/societe_extrafields.php
@@ -23,7 +23,7 @@
  *		\brief      Page to setup extra fields of third party
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/extrafields.class.php';
 
@@ -52,7 +52,7 @@ if (!$user->admin) accessforbidden();
  * Actions
  */
 
-require(DOL_DOCUMENT_ROOT."/core/admin_extrafields.inc.php");
+require DOL_DOCUMENT_ROOT.'/core/admin_extrafields.inc.php';
 
 
 
diff --git a/htdocs/societe/agenda.php b/htdocs/societe/agenda.php
index e76652c4743..d25245c7288 100644
--- a/htdocs/societe/agenda.php
+++ b/htdocs/societe/agenda.php
@@ -26,7 +26,7 @@
  *  \brief      Page of third party events
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/compta/facture/class/facture.class.php';
 
diff --git a/htdocs/societe/ajaxcompanies.php b/htdocs/societe/ajaxcompanies.php
index 49b49988eaf..b960eb0b087 100644
--- a/htdocs/societe/ajaxcompanies.php
+++ b/htdocs/societe/ajaxcompanies.php
@@ -30,7 +30,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOCSRFCHECK'))    define('NOCSRFCHECK','1');
 
-require('../main.inc.php');
+require '../main.inc.php';
 
 
 /*
diff --git a/htdocs/societe/ajaxcountries.php b/htdocs/societe/ajaxcountries.php
index ff79aaad014..3afb95468b7 100644
--- a/htdocs/societe/ajaxcountries.php
+++ b/htdocs/societe/ajaxcountries.php
@@ -28,7 +28,7 @@ if (! defined('NOREQUIREAJAX'))  define('NOREQUIREAJAX','1');
 if (! defined('NOREQUIRESOC'))   define('NOREQUIRESOC','1');
 if (! defined('NOCSRFCHECK'))    define('NOCSRFCHECK','1');
 
-require('../main.inc.php');
+require '../main.inc.php';
 
 
 /*
diff --git a/htdocs/societe/commerciaux.php b/htdocs/societe/commerciaux.php
index dd4e5f285d1..efc39232b9b 100644
--- a/htdocs/societe/commerciaux.php
+++ b/htdocs/societe/commerciaux.php
@@ -23,7 +23,7 @@
  *  \brief      Page of links to sales representatives
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 
 $langs->load("companies");
diff --git a/htdocs/societe/document.php b/htdocs/societe/document.php
index f3b3dd27502..f7b0744d98f 100644
--- a/htdocs/societe/document.php
+++ b/htdocs/societe/document.php
@@ -24,7 +24,7 @@
  *  \ingroup    societe
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
diff --git a/htdocs/societe/index.php b/htdocs/societe/index.php
index 495a36b7672..410aba47aa1 100644
--- a/htdocs/societe/index.php
+++ b/htdocs/societe/index.php
@@ -23,7 +23,7 @@
  *  \brief      Home page for third parties area
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
 
 $langs->load("companies");
diff --git a/htdocs/societe/info.php b/htdocs/societe/info.php
index 199c755e436..28d626c37f2 100644
--- a/htdocs/societe/info.php
+++ b/htdocs/societe/info.php
@@ -23,7 +23,7 @@
  *      \brief      Page des informations d'une societe
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/societe.class.php';
diff --git a/htdocs/societe/lien.php b/htdocs/societe/lien.php
index 3d754beff66..d30e344cd9d 100644
--- a/htdocs/societe/lien.php
+++ b/htdocs/societe/lien.php
@@ -23,7 +23,7 @@
  *  \brief      Page of links to other third parties
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formcompany.class.php';
 
diff --git a/htdocs/societe/note.php b/htdocs/societe/note.php
index 7f51dddd177..00e1a182dfe 100644
--- a/htdocs/societe/note.php
+++ b/htdocs/societe/note.php
@@ -24,7 +24,7 @@
  *   \ingroup    societe
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 
 $action = GETPOST('action');
diff --git a/htdocs/societe/notify/fiche.php b/htdocs/societe/notify/fiche.php
index 9235c7a2833..73a78eca503 100644
--- a/htdocs/societe/notify/fiche.php
+++ b/htdocs/societe/notify/fiche.php
@@ -23,7 +23,7 @@
  *		\brief      Tab for notifications of third party
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/triggers/interface_50_modNotification_Notification.class.php';
diff --git a/htdocs/societe/notify/index.php b/htdocs/societe/notify/index.php
index 42aad61b93b..b6f4b362234 100644
--- a/htdocs/societe/notify/index.php
+++ b/htdocs/societe/notify/index.php
@@ -22,7 +22,7 @@
  * \brief      List of done notifications
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 $langs->load("companies");
 $langs->load("banks");
 
diff --git a/htdocs/societe/rib.php b/htdocs/societe/rib.php
index c08b62d8b24..f17916c2e5b 100644
--- a/htdocs/societe/rib.php
+++ b/htdocs/societe/rib.php
@@ -24,7 +24,7 @@
  *		\brief      BAN tab for companies
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/bank.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/societe/class/companybankaccount.class.php';
diff --git a/htdocs/societe/soc.php b/htdocs/societe/soc.php
index d5e9341551a..d9dc12faf5a 100644
--- a/htdocs/societe/soc.php
+++ b/htdocs/societe/soc.php
@@ -27,7 +27,7 @@
  *  \brief      Third party card page
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/company.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/images.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
diff --git a/htdocs/theme/phones/smartphone/tpl/menu.tpl.php b/htdocs/theme/phones/smartphone/tpl/menu.tpl.php
index 9c3d53dbb16..0c96714ae10 100644
--- a/htdocs/theme/phones/smartphone/tpl/menu.tpl.php
+++ b/htdocs/theme/phones/smartphone/tpl/menu.tpl.php
@@ -20,7 +20,7 @@ top_httphead();
 <!DOCTYPE html>
 <html>
 <?php 
-require('header.tpl.php');
+require 'header.tpl.php';
 ?>
 <body>
 <script type="text/javascript">
diff --git a/htdocs/user/clicktodial.php b/htdocs/user/clicktodial.php
index 6efaa0b58eb..3b3a43729b2 100644
--- a/htdocs/user/clicktodial.php
+++ b/htdocs/user/clicktodial.php
@@ -22,7 +22,7 @@
  *       \brief      Page for Click to dial datas
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 
 $langs->load("users");
diff --git a/htdocs/user/fiche.php b/htdocs/user/fiche.php
index f5602894c65..150c37b1975 100644
--- a/htdocs/user/fiche.php
+++ b/htdocs/user/fiche.php
@@ -26,7 +26,7 @@
  *       \brief      Tab of user card
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
diff --git a/htdocs/user/group/fiche.php b/htdocs/user/group/fiche.php
index b370c8b5d79..48466bc6649 100644
--- a/htdocs/user/group/fiche.php
+++ b/htdocs/user/group/fiche.php
@@ -23,7 +23,7 @@
  *       \brief      Onglet groupes utilisateurs
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 if(! empty($conf->multicompany->enabled)) dol_include_once("/multicompany/class/actions_multicompany.class.php");
diff --git a/htdocs/user/group/index.php b/htdocs/user/group/index.php
index 33c7952a158..002e099c397 100644
--- a/htdocs/user/group/index.php
+++ b/htdocs/user/group/index.php
@@ -24,7 +24,7 @@
  *      \brief      Page of user groups
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 
 if (! empty($conf->global->MAIN_USE_ADVANCED_PERMS))
 {
diff --git a/htdocs/user/group/ldap.php b/htdocs/user/group/ldap.php
index cd9f9f08283..5f64929c5a5 100644
--- a/htdocs/user/group/ldap.php
+++ b/htdocs/user/group/ldap.php
@@ -22,7 +22,7 @@
  *       \brief      Page fiche LDAP groupe
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
diff --git a/htdocs/user/group/perms.php b/htdocs/user/group/perms.php
index de53928eda8..dd52a6b517a 100644
--- a/htdocs/user/group/perms.php
+++ b/htdocs/user/group/perms.php
@@ -24,7 +24,7 @@
  *       \brief      Onglet user et permissions de la fiche utilisateur
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/usergroup.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
diff --git a/htdocs/user/home.php b/htdocs/user/home.php
index 234fc3191de..a98a7a3b5f8 100644
--- a/htdocs/user/home.php
+++ b/htdocs/user/home.php
@@ -21,7 +21,7 @@
  *	\brief      Home page of users and groups management
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 
 if (! $user->rights->user->user->lire && ! $user->admin)
 {
diff --git a/htdocs/user/index.php b/htdocs/user/index.php
index b6ed67baece..5aae43c145c 100644
--- a/htdocs/user/index.php
+++ b/htdocs/user/index.php
@@ -23,7 +23,7 @@
  *      \brief      Page of users
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 if(! empty($conf->multicompany->enabled)) dol_include_once("/multicompany/class/actions_multicompany.class.php");
 
 
diff --git a/htdocs/user/info.php b/htdocs/user/info.php
index aed9216cd2e..9ac58e67515 100644
--- a/htdocs/user/info.php
+++ b/htdocs/user/info.php
@@ -22,7 +22,7 @@
  *		\brief      Page des informations d'un utilisateur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
diff --git a/htdocs/user/ldap.php b/htdocs/user/ldap.php
index b973251a30c..12324d5e608 100644
--- a/htdocs/user/ldap.php
+++ b/htdocs/user/ldap.php
@@ -22,7 +22,7 @@
  *      \brief      Page fiche LDAP utilisateur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/ldap.lib.php';
diff --git a/htdocs/user/note.php b/htdocs/user/note.php
index 606196d4265..ab2c376e621 100644
--- a/htdocs/user/note.php
+++ b/htdocs/user/note.php
@@ -23,7 +23,7 @@
  *      \brief      Fiche de notes sur un utilisateur Dolibarr
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/user/class/user.class.php';
 
diff --git a/htdocs/user/param_ihm.php b/htdocs/user/param_ihm.php
index dbd4f300380..76afed6ebd7 100644
--- a/htdocs/user/param_ihm.php
+++ b/htdocs/user/param_ihm.php
@@ -21,7 +21,7 @@
  *       \brief      Page to show user setup for display
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/class/html.formadmin.class.php';
diff --git a/htdocs/user/passwordforgotten.php b/htdocs/user/passwordforgotten.php
index fd3bf89f564..630e89febe5 100644
--- a/htdocs/user/passwordforgotten.php
+++ b/htdocs/user/passwordforgotten.php
@@ -24,7 +24,7 @@
 
 define("NOLOGIN",1);	// This means this output page does not require to be logged.
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/contact/class/contact.class.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 if ($conf->ldap->enabled) require_once DOL_DOCUMENT_ROOT.'/core/class/ldap.class.php';
diff --git a/htdocs/user/perms.php b/htdocs/user/perms.php
index 04f089029b3..af407a4f555 100644
--- a/htdocs/user/perms.php
+++ b/htdocs/user/perms.php
@@ -24,7 +24,7 @@
  *       \brief      Onglet user et permissions de la fiche utilisateur
  */
 
-require("../main.inc.php");
+require '../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/usergroups.lib.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/functions2.lib.php';
 
diff --git a/htdocs/viewimage.php b/htdocs/viewimage.php
index 7b32ad84c94..dfbc6cb25e4 100644
--- a/htdocs/viewimage.php
+++ b/htdocs/viewimage.php
@@ -44,7 +44,7 @@ if ((isset($_GET["modulepart"]) && $_GET["modulepart"] == 'companylogo') && ! de
  */
 function llxHeader() { }
 
-require("./main.inc.php");
+require './main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/files.lib.php';
 
 
diff --git a/htdocs/webservices/admin/webservices.php b/htdocs/webservices/admin/webservices.php
index 6f2112a5071..bc47a4a8be8 100644
--- a/htdocs/webservices/admin/webservices.php
+++ b/htdocs/webservices/admin/webservices.php
@@ -23,7 +23,7 @@
  *		\brief      Page to setup webservices module
  */
 
-require("../../main.inc.php");
+require '../../main.inc.php';
 require_once DOL_DOCUMENT_ROOT.'/core/lib/admin.lib.php';
 
 $langs->load("admin");
-- 
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