diff --git a/htdocs/accountancy/admin/categories.php b/htdocs/accountancy/admin/categories.php
index f0013632b537d05ca4ba24d711a7fbc53736158f..b1836836e84eafad4c1598ae683b5de80e19f8be 100644
--- a/htdocs/accountancy/admin/categories.php
+++ b/htdocs/accountancy/admin/categories.php
@@ -138,7 +138,7 @@ if ($action == 'display' || $action == 'delete') {
 		if(!empty($obj)){
 			foreach ( $obj as $cpt ) {
 				$var = ! $var;
-				print "<tr $bc[$var]>";
+				print '<tr'. $bc[$var].'>';
 				print '<td>' . length_accountg($cpt->account_number) . '</td>';
 				print '<td>' . $cpt->label . '</td>';
 				print $form->formconfirm($_SERVER["PHP_SELF"]."?account_category=$cat_id&cptid=".$cpt->rowid, $langs->trans("DeleteCptCategory"), $langs->trans("ConfirmDeleteCptCategory"), "delete", '', 0, "action-delete".$j);
diff --git a/htdocs/accountancy/admin/importaccounts.php b/htdocs/accountancy/admin/importaccounts.php
index 0dc560aa62e631d118dcbde085f4ccde217207f0..720f3a4f0124c3dc61e2d03713ae1ace230769f9 100644
--- a/htdocs/accountancy/admin/importaccounts.php
+++ b/htdocs/accountancy/admin/importaccounts.php
@@ -138,7 +138,7 @@ if ($result) {
 	while ( $i < min($num_lines, $limit) ) {
 		$objp = $db->fetch_object($result);
 		$var = ! $var;
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 		
 		print '<td align="left">';
 		print $objp->accounting;
diff --git a/htdocs/accountancy/admin/productaccount.php b/htdocs/accountancy/admin/productaccount.php
index 80ed3f6fb477712d5d7d0f776b03ebbb9eff08c7..63060e1ed60f4dbe48c124942707f5beb22009e6 100644
--- a/htdocs/accountancy/admin/productaccount.php
+++ b/htdocs/accountancy/admin/productaccount.php
@@ -328,10 +328,10 @@ if ($result) {
 		
 		$product_static = new Product($db);
 		
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 		
 		print "</tr>";
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 		// Ref produit as link
 		$product_static->ref = $obj->ref;
 		$product_static->id = $obj->rowid;
diff --git a/htdocs/accountancy/bookkeeping/balance.php b/htdocs/accountancy/bookkeeping/balance.php
index e89799d765e7d7c4e69f76f2f0590147089bfd76..736aec486442dfca42eebcf2fb888fc95e7bd3cc 100644
--- a/htdocs/accountancy/bookkeeping/balance.php
+++ b/htdocs/accountancy/bookkeeping/balance.php
@@ -223,7 +223,7 @@ else {
 		if(empty($description)){
 			$link = '<a href="../admin/card.php?action=create&compte=' . length_accountg($line->numero_compte) . '">' . img_edit_add() .'</a>';
 		}
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 
 		print '<td>' . length_accountg($line->numero_compte) . '</td>';
 		print '<td>' . $description . '</td>';
diff --git a/htdocs/accountancy/bookkeeping/card.php b/htdocs/accountancy/bookkeeping/card.php
index 5421a4a350dabbfdc70c4cde1e4ec32272c4be8d..7293797ecc60227771d646180110960d2d0d54ee 100644
--- a/htdocs/accountancy/bookkeeping/card.php
+++ b/htdocs/accountancy/bookkeeping/card.php
@@ -346,7 +346,7 @@ if ($action == 'create') {
 				
 				foreach ( $book->linesmvt as $line ) {
 					$var = ! $var;
-					print "<tr $bc[$var]>";
+					print '<tr'. $bc[$var].'>';
 					
 					$total_debit += $line->debit;
 					$total_credit += $line->credit;
@@ -400,7 +400,7 @@ if ($action == 'create') {
 				
 				if ($action == "" || $action == 'add') {
 					$var = ! $var;
-					print "<tr $bc[$var]>";
+					print '<tr'. $bc[$var].'>';
 					print '<td>';
 					print $formventilation->select_account($account_number, 'account_number', 0, array (), 1, 1, '');
 					print '</td>';
diff --git a/htdocs/accountancy/bookkeeping/list.php b/htdocs/accountancy/bookkeeping/list.php
index 557143164a9492b1f062597f13e2aa80f78c42e4..cb5d7caf006b643557a3f1ef099a37133f62f3f2 100644
--- a/htdocs/accountancy/bookkeeping/list.php
+++ b/htdocs/accountancy/bookkeeping/list.php
@@ -368,7 +368,7 @@ foreach ( $object->lines as $line ) {
 	$total_debit += $line->debit;
 	$total_credit += $line->credit;
 
-	print "<tr $bc[$var]>";
+	print '<tr'. $bc[$var].'>';
 
 	print '<td><a href="./card.php?piece_num=' . $line->piece_num . '">' . $line->piece_num . '</a></td>';
 	print '<td align="center">' . dol_print_date($line->doc_date, 'day') . '</td>';
diff --git a/htdocs/accountancy/bookkeeping/listbyyear.php b/htdocs/accountancy/bookkeeping/listbyyear.php
index 10640c1887ab1722b4a2cd47d14ff527999452bf..23eeb79621a7412d15d67b558d6985f62fc01ba5 100644
--- a/htdocs/accountancy/bookkeeping/listbyyear.php
+++ b/htdocs/accountancy/bookkeeping/listbyyear.php
@@ -269,7 +269,7 @@ $var = True;
 foreach ( $object->lines as $line ) {
 	$var = ! $var;
 
-	print "<tr $bc[$var]>";
+	print '<tr'. $bc[$var].'>';
 	print '<td>' . $line->piece_num . '</td>' . "\n";
 	print '<td>' . $line->doc_type . '</td>' . "\n";
 	print '<td>' . dol_print_date($line->doc_date) . '</td>';
diff --git a/htdocs/accountancy/customer/lines.php b/htdocs/accountancy/customer/lines.php
index 292b52b58632618e914883d2c378c2e2bd6e2559..3549651cbd6c56f32a9a2bd23105c3ff8514cd9f 100644
--- a/htdocs/accountancy/customer/lines.php
+++ b/htdocs/accountancy/customer/lines.php
@@ -288,7 +288,7 @@ if ($result) {
 		$var = ! $var;
 		$codecompta = length_accountg($objp->account_number) . ' - ' . $objp->label_compte;
 		
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 		
 		// Ref Invoice
 		$facture_static->ref = $objp->facnumber;
diff --git a/htdocs/accountancy/customer/list.php b/htdocs/accountancy/customer/list.php
index 438eb30c6212b5858b1ccd18da274cadd6cb70bc..167f558d830abbc9708b9ff6cca936414429784b 100644
--- a/htdocs/accountancy/customer/list.php
+++ b/htdocs/accountancy/customer/list.php
@@ -302,7 +302,7 @@ if ($result) {
 		if ($objp->code_sell_l != $objp->code_sell_p)
 			$code_sell_p_l_differ = 'color:red';
 
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 
 		// Ref Invoice
 		$facture_static->ref = $objp->facnumber;
diff --git a/htdocs/accountancy/report/result.php b/htdocs/accountancy/report/result.php
index 48d587b575b766625d1f5e804097ee0bfe690d1c..72a4d6e96b219f148007ba4f180f787987b6c6ca 100644
--- a/htdocs/accountancy/report/result.php
+++ b/htdocs/accountancy/report/result.php
@@ -127,7 +127,7 @@ if(!empty($cats))
 			$resultN = $AccCat->getResult($cpt['account_number'], 0, $year_current, $cpt['dc']);
 			$sommes[$code]['NP'] += $resultNP;
 			$sommes[$code]['N'] += $resultN; 
-			print "<tr $bc[$var]>";
+			print '<tr'. $bc[$var].'>';
 			print '<td>' . $cpt['account_number'] . '</td>';
 			print '<td>' . $cpt['name_cpt'] . '</td>';
 			print '<td>' . price($resultNP)  . '</td>';
diff --git a/htdocs/accountancy/supplier/lines.php b/htdocs/accountancy/supplier/lines.php
index 6ab2cf589a623b988855d124394840941f3ceae0..a0b2365350f676e73c8309633dedf585bffdf78d 100644
--- a/htdocs/accountancy/supplier/lines.php
+++ b/htdocs/accountancy/supplier/lines.php
@@ -236,7 +236,7 @@ if ($result) {
 		$var = ! $var;
 		$codeCompta = length_accountg($objp->account_number) . ' - ' . $objp->label;
 		
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 		
 		// Ref Invoice
 		$facturefournisseur_static->ref = $objp->facnumber;
diff --git a/htdocs/accountancy/supplier/list.php b/htdocs/accountancy/supplier/list.php
index 8685cb7d5d4dc16c39c0b7a574dedfdc659adbcb..c98ba0502228b118abaeeb0554688b1ee8bcd0de 100644
--- a/htdocs/accountancy/supplier/list.php
+++ b/htdocs/accountancy/supplier/list.php
@@ -314,7 +314,7 @@ if ($result) {
 		if ($objp->code_buy_l != $objp->code_buy_p)
 			$code_buy_p_l_differ = 'color:red';
 		
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 
 		// Ref Invoice
 		$facturefourn_static->ref = $objp->ref;
diff --git a/htdocs/expensereport/synchro_compta.php b/htdocs/expensereport/synchro_compta.php
index 59a6b8926fe1228d48e6a5da5d39a98d3ef5b970..31c2d98584084123048a96eea52184ef655c3e72 100644
--- a/htdocs/expensereport/synchro_compta.php
+++ b/htdocs/expensereport/synchro_compta.php
@@ -165,7 +165,7 @@ else:
 				while($i<$num):
 					$objp = $db->fetch_object($resql);
 					$var=!$var;
-						print "<tr $bc[$var]>";
+						print '<tr'. $bc[$var].'>';
 							print '<td>'.$objp->ref.'</td>';
 							print '<td>'.dol_print_date($db->jdate($objp->date_valid),'day').'</td>';
 							print '<td><a href="'.DOL_URL_ROOT.'/user/card.php?id='.$objp->fk_user_author.'">'.img_object($langs->trans("ShowUser"),"user").' '.$objp->declarant_NDF.'</a></td>';
diff --git a/htdocs/product/price.php b/htdocs/product/price.php
index 67bb3165fb640fa6894eef831e119fdeec016af5..694297b5b2fbf0b687f41ec19477013613689ee7 100644
--- a/htdocs/product/price.php
+++ b/htdocs/product/price.php
@@ -1315,7 +1315,7 @@ if ((empty($conf->global->PRODUIT_CUSTOMER_PRICES) || $action=='showlog_default_
     		{
     			$objp = $db->fetch_object($result);
     			$var = ! $var;
-    			print "<tr $bc[$var]>";
+    			print '<tr'. $bc[$var].'>';
     			// Date
     			print "<td>" . dol_print_date($db->jdate($objp->dp), "dayhour") . "</td>";
     
diff --git a/htdocs/societe/price.php b/htdocs/societe/price.php
index 45eba9b397f68f89129bf71904eda353b9bb003d..4c98860341774bec2d9658c85e626e2ef3a36b79 100644
--- a/htdocs/societe/price.php
+++ b/htdocs/societe/price.php
@@ -416,7 +416,7 @@ if (! empty($conf->global->PRODUIT_CUSTOMER_PRICES)) {
 
 			foreach ( $prodcustprice->lines as $line ) {
 
-				print "<tr $bc[$var]>";
+				print '<tr'. $bc[$var].'>';
 				$staticprod = new Product($db);
 				$staticprod->fetch($line->fk_product);
 
diff --git a/scripts/accountancy/export-thirdpartyaccount.php b/scripts/accountancy/export-thirdpartyaccount.php
index 05236aabf7efe51e0e119488eb8c11019b7ca97d..c84ffdabc0f95ee4209046b2797007d62cac0f7a 100755
--- a/scripts/accountancy/export-thirdpartyaccount.php
+++ b/scripts/accountancy/export-thirdpartyaccount.php
@@ -207,7 +207,7 @@ if ($resql) {
 
 		$var = ! $var;
 
-		print "<tr $bc[$var]>";
+		print '<tr'. $bc[$var].'>';
 		print '<td>';
 		$thirdpartystatic->id = $obj->rowid;
 		$thirdpartystatic->name = $obj->name;