Don't throw a warning if the global doesn't exist

diff --git a/framework/Core/lib/Horde/Core/Browser.php b/framework/Core/lib/Horde/Core/Browser.php
index d96cb3d..5601a08 100644 (file)
--- a/framework/Core/lib/Horde/Core/Browser.php
+++ b/framework/Core/lib/Horde/Core/Browser.php
@@ -70,7 +70,10 @@ class Horde_Core_Browser extends Horde_Browser
      */
     public function getIEVersion()
     {
-        return $GLOBALS['session']['horde:ie_version'];
+        if (isset($GLOBALS['session']['horde:ie_version'])) {
+            return $GLOBALS['session']['horde:ie_version'];
+        } else {
+            return null;
+        }
     }
-
 }