Index: branches/5.2.x/core/units/custom_fields/custom_fields_event_handler.php
===================================================================
diff -u -N -r14628 -r14888
--- branches/5.2.x/core/units/custom_fields/custom_fields_event_handler.php	(.../custom_fields_event_handler.php)	(revision 14628)
+++ branches/5.2.x/core/units/custom_fields/custom_fields_event_handler.php	(.../custom_fields_event_handler.php)	(revision 14888)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: custom_fields_event_handler.php 14628 2011-10-04 09:36:30Z alex $
+* @version	$Id: custom_fields_event_handler.php 14888 2011-12-20 10:44:35Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -60,7 +60,7 @@
 			}
 
 			if ($item_type) {
-				$hidden_fields = array_map(Array(&$this->Conn, 'qstr'), $this->_getHiddenFields($event));
+				$hidden_fields = $this->Conn->qstrArray($this->_getHiddenFields($event));
 
 				if ($hidden_fields) {
 					$object->addFilter('hidden_filter', '%1$s.FieldName NOT IN (' . implode(',', $hidden_fields) . ')');