Reject Opera when it is pretending to be IE

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index bda6c8d0abaf87364e48a5e3e7aa7a0590d83433..c7646753718f8cafe5291579e876faa1088a7850 100644 (file)
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -1969,6 +1969,9 @@ function check_browser_version($brand="MSIE", $version=5.5) {
 
       case "MSIE":   /// Internet Explorer
 
+          if (strpos($agent, 'Opera')) {     // Reject Opera
+              return false;
+          }
           $string = explode(";", $agent);
           if (!isset($string[1])) {
               return false;