Fix: [ bug #1846 ] Browser IE11 not detected

ChangeLog

@@ -9,6 +9,7 @@ Fix: [ bug #1752 ] Date filter of margins module, filters since 12H instead of 0
 Fix: [ bug #1757 ] Sorting breaks product/service statistics
 Fix: [ bug #1797 ] Tulip supplier invoice module takes creation date instead of invoice date
 Fix: [ bug #1792 ] Users are not allowed to see margins module index page when no product view permission is enabled
+Fix: [ bug #1846 ] Browser IE11 not detected
 
 ***** ChangeLog for 3.5.6 compared to 3.5.5 *****
 Fix: Avoid missing class error for fetch_thirdparty method #1973

htdocs/core/lib/functions.lib.php

@@ -10,6 +10,7 @@
  * Copyright (C) 2010-2011 Juanjo Menent        <jmenent@2byte.es>
  * Copyright (C) 2013      Cédric Salvador      <csalvador@gpcsolutions.fr>
  * Copyright (C) 2013      Alexandre Spangaro   <alexandre.spangaro@gmail.com>
+ * Copyright (C) 2014-2015 Marcos García        <marcosgdf@gmail.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -146,7 +147,7 @@ function getBrowserInfo()
 	elseif (preg_match('/epiphany/i',$_SERVER["HTTP_USER_AGENT"]))                       { $name='epiphany';  $version=$reg[2]; }
 	elseif ((empty($phone) || preg_match('/iphone/i',$_SERVER["HTTP_USER_AGENT"])) && preg_match('/safari(\/|\s)([\d\.]*)/i',$_SERVER["HTTP_USER_AGENT"], $reg)) { $name='safari'; $version=$reg[2]; }	// Safari is often present in string for mobile but its not.
 	elseif (preg_match('/opera(\/|\s)([\d\.]*)/i',  $_SERVER["HTTP_USER_AGENT"], $reg))  { $name='opera';     $version=$reg[2]; }
-	elseif (preg_match('/msie(\/|\s)([\d\.]*)/i',   $_SERVER["HTTP_USER_AGENT"], $reg))  { $name='ie';        $version=$reg[2]; }    // MS products at end
+	elseif (preg_match('/(MSIE\s([0-9]+\.[0-9]))|.*(Trident\/[0-9]+.[0-9];\srv:([0-9]+\.[0-9]+))/i',   $_SERVER["HTTP_USER_AGENT"], $reg))  { $name='ie';        $version= end($reg); }    // MS products at end
 	// Other
 	$firefox=0;
 	if (in_array($name,array('firefox','iceweasel'))) $firefox=1;