Index: branches/5.2.x/core/kernel/db/cat_event_handler.php
===================================================================
diff -u -N -r15137 -r15145
--- branches/5.2.x/core/kernel/db/cat_event_handler.php	(.../cat_event_handler.php)	(revision 15137)
+++ branches/5.2.x/core/kernel/db/cat_event_handler.php	(.../cat_event_handler.php)	(revision 15145)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: cat_event_handler.php 15137 2012-03-04 08:06:21Z alex $
+* @version	$Id: cat_event_handler.php 15145 2012-03-04 09:04:08Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -53,7 +53,7 @@
 	 */
 	protected function LoadItem(kEvent $event)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		$id = $this->getPassedID($event);
@@ -438,7 +438,7 @@
 			$search_event = $event_mapping[$type];
 			$this->$search_event($event);
 
-			$object =& $event->getObject();
+			$object = $event->getObject();
 			/* @var $object kDBList */
 
 			$search_sql = '	FROM ' . TABLE_PREFIX . 'ses_' . $this->Application->GetSID() . '_' . TABLE_PREFIX . 'Search
@@ -595,7 +595,7 @@
 	{
 		parent::SetCustomQuery($event);
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBList */
 
 		// add category filter if needed
@@ -767,7 +767,7 @@
 	 */
 	function prepareItemStatuses($event)
 	{
-		$object =& $event->getObject( Array('skip_autoload' => true) );
+		$object = $event->getObject( Array('skip_autoload' => true) );
 
 		$property_map = $this->Application->getUnitOption($event->Prefix, 'ItemPropertyMappings');
 		if (!$property_map) {
@@ -858,7 +858,7 @@
 	{
 		parent::OnBeforeItemUpdate($event);
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		// update hits field
@@ -897,7 +897,7 @@
 
 		$special = substr($event->Special, -6);
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		if ( $special == 'import' || $special == 'export' ) {
@@ -972,7 +972,7 @@
 			$this->setCustomExportColumns($event);
 		}
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		if ( !$this->Application->isAdmin ) {
@@ -1026,7 +1026,7 @@
 	{
 		parent::OnAfterItemCreate($event);
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		if ( substr($event->Special, -6) == 'import' ) {
@@ -1116,7 +1116,7 @@
 
 		$event->setPseudoClass('_List');
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBList */
 
 		$this->Application->SetVar($event->getPrefixSpecial().'_Page', 1);
@@ -1406,7 +1406,7 @@
 
 		$lang = $this->Application->GetVar('m_lang');
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBList */
 
 		$object->SetPage(1);
@@ -1815,7 +1815,7 @@
 	 */
 	protected function SetPagination(kEvent $event)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBList */
 
 		// get PerPage (forced -> session -> config -> 10)
@@ -1986,7 +1986,7 @@
 	 */
 	protected function restorePrimaryImage($event)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		$has_image_info = $object->GetDBField('ImageAlt') && ($object->GetDBField('ThumbnailImage') || $object->GetDBField('FullImage'));
@@ -2078,7 +2078,7 @@
 
 		if ( $dst_field == 'ItemCategory' ) {
 			// Item Edit -> Categories Tab -> New Categories
-			$object =& $event->getObject();
+			$object = $event->getObject();
 			/* @var $object kCatDBItem */
 
 			$category_ids = explode(',', $selected_ids['c']);
@@ -2111,7 +2111,7 @@
 		if ( $items_info ) {
 			list($id, $field_values) = each($items_info);
 
-			$object =& $event->getObject(Array ('skip_autoload' => true));
+			$object = $event->getObject(Array ('skip_autoload' => true));
 			/* @var $object kDBItem */
 
 			$object->SetFieldsFromHash($field_values, $this->getRequestProtectedFields($field_values));
@@ -2157,7 +2157,7 @@
 	 */
 	function cacheItemOwner($event, $id_field, $cached_field)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		$user_id = $object->GetDBField($id_field);
@@ -2194,7 +2194,7 @@
 		if ( $event->status == kEvent::erSUCCESS && $use_pending_editing ) {
 			// decision: clone or not clone
 
-			$object =& $event->getObject();
+			$object = $event->getObject();
 			/* @var $object kCatDBItem */
 
 			if ( $object->GetID() == 0 || $object->GetDBField('OrgId') > 0 ) {
@@ -2267,7 +2267,7 @@
 			return ;
 		}
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		$owner_field = $this->getOwnerField($event->Prefix);
@@ -2310,7 +2310,7 @@
 	{
 		parent::OnBeforeClone($event);
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		$object->SetDBField('ResourceId', 0); // this will reset it
@@ -2331,7 +2331,7 @@
 	{
 		parent::OnBeforeItemCreate($event);
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		$is_admin = $this->Application->isAdminUser;
@@ -2360,7 +2360,7 @@
 			return ;
 		}
 
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		$perm_helper = $this->Application->recallObject('PermissionsHelper');
@@ -2465,7 +2465,7 @@
 			return ;
 		}
 
-		$object =& $event->getObject(Array('skip_autoload' => true));
+		$object = $event->getObject(Array('skip_autoload' => true));
 		/* @var $object kCatDBItem */
 
 		$items_info = $this->Application->GetVar($event->getPrefixSpecial(true));
@@ -2556,7 +2556,7 @@
 		}
 
 		// prepare redirect template
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		$is_active = ($object->GetDBField('Status') == STATUS_ACTIVE);
@@ -2604,7 +2604,7 @@
 			return ;
 		}
 
-		$object =& $event->getObject(Array ('skip_autoload' => true));
+		$object = $event->getObject(Array ('skip_autoload' => true));
 		/* @var $object kCatDBItem */
 
 		$ids = $this->StoreSelectedIDs($event);
@@ -2661,7 +2661,7 @@
 	 */
 	protected function checkItemStatus(kEvent $event)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		if ( !$object->isLoaded() ) {
@@ -2815,7 +2815,7 @@
 	 */
 	function OnDownloadFile($event)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kCatDBItem */
 
 		$event->status = kEvent::erSTOP;
@@ -2849,7 +2849,7 @@
 		$rating_helper = $this->Application->recallObject('RatingHelper');
 		/* @var $rating_helper RatingHelper */
 
-		$object =& $event->getObject( Array ('skip_autoload' => true) );
+		$object = $event->getObject( Array ('skip_autoload' => true) );
 		/* @var $object kCatDBItem */
 
 		$object->Load( $this->Application->GetVar('id') );
@@ -2941,7 +2941,7 @@
 	 */
 	protected function OnAfterItemValidate(kEvent $event)
 	{
-		$object =& $event->getObject();
+		$object = $event->getObject();
 		/* @var $object kDBItem */
 
 		$resource_id = $object->GetDBField('ResourceId');