Index: branches/5.2.x/core/units/helpers/search_helper.php
===================================================================
diff -u -N -r15137 -r15145
--- branches/5.2.x/core/units/helpers/search_helper.php	(.../search_helper.php)	(revision 15137)
+++ branches/5.2.x/core/units/helpers/search_helper.php	(.../search_helper.php)	(revision 15145)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: search_helper.php 15137 2012-03-04 08:06:21Z alex $
+* @version	$Id: search_helper.php 15145 2012-03-04 09:04:08Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -216,7 +216,7 @@
 		 */
 		public function performSearch($event)
 		{
-			$object =& $event->getObject();
+			$object = $event->getObject();
 			/* @var $object kDBItem */
 
 			// process search keyword
@@ -251,7 +251,7 @@
 
 			$search_filter = Array();
 
-			$object =& $event->getObject();
+			$object = $event->getObject();
 			/* @var $object kDBList */
 
 			foreach ($search_fields as $search_field) {
@@ -463,7 +463,7 @@
 				return false;
 			}
 
-			$object =& $event->getObject(); // don't recall it each time in getCustomFilterSearchClause
+			$object = $event->getObject(); // don't recall it each time in getCustomFilterSearchClause
 			$grid_info = $this->Application->getUnitOption($event->Prefix.'.'.$grid_name, 'Grids');
 			foreach ($custom_filter as $field_name => $field_options) {
 				list ($filter_type, $field_options) = each($field_options);
@@ -793,7 +793,7 @@
 				}
 			}
 
-			$object =& $event->getObject();
+			$object = $event->getObject();
 			/* @var $object kDBList */
 
 			$object->addFilter('includes_filter', $includes_or_filter);