Index: branches/5.2.x/core/units/helpers/permissions_helper.php
===================================================================
diff -u -N -r15012 -r15130
--- branches/5.2.x/core/units/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 15012)
+++ branches/5.2.x/core/units/helpers/permissions_helper.php	(.../permissions_helper.php)	(revision 15130)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: permissions_helper.php 15012 2012-01-06 20:38:49Z alex $
+* @version	$Id: permissions_helper.php 15130 2012-03-03 18:38:32Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -69,7 +69,7 @@
 		 * @param Array $perm_mapping
 		 * @return Array
 		 */
-		function getPermissionByEvent(&$event, $perm_mapping)
+		function getPermissionByEvent($event, $perm_mapping)
 		{
 			$top_prefix = $event->getEventParam('top_prefix');
 
@@ -95,7 +95,7 @@
 		 * @param Array $perm_mapping
 		 * @return bool
 		 */
-		function CheckEventPermission(&$event, $perm_mapping)
+		function CheckEventPermission($event, $perm_mapping)
 		{
 			$section = $event->getSection();
 			if (preg_match('/^CATEGORY:(.*)/', $section)) {
@@ -175,7 +175,7 @@
 		 * @param Array $event_perm_mapping
 		 * @return bool
 		 */
-		function _frontCheckEventCategoryPermission(&$event, $event_perm_mapping)
+		function _frontCheckEventCategoryPermission($event, $event_perm_mapping)
 		{
 			// mapping between specific permissions and common permissions
 			static $perm_mapping = Array(
@@ -278,7 +278,7 @@
 		 * @param bool $perm_status
 		 * @return bool
 		 */
-		function finalizePermissionCheck(&$event, $perm_status)
+		function finalizePermissionCheck($event, $perm_status)
 		{
 			if (!$perm_status) {
 				if (MOD_REWRITE) {
@@ -311,7 +311,7 @@
 		 * @param bool $new_item
 		 * @return mixed
 		 */
-		function checkCombinedPermissions(&$event, $owner_id, $category_id, $new_item = false)
+		function checkCombinedPermissions($event, $owner_id, $category_id, $new_item = false)
 		{
 			$ret = null; // true/false when used, null when not used
 			$top_prefix = $event->getEventParam('top_prefix');
@@ -359,7 +359,7 @@
 		 * @param Array $event_perm_mapping
 		 * @return mixed
 		 */
-		function CheckEventCategoryPermission(&$event, $event_perm_mapping)
+		function CheckEventCategoryPermission($event, $event_perm_mapping)
 		{
 			if (!$this->Application->isAdmin) {
 				// check front-end permission by old scheme