Index: branches/5.2.x/core/install/upgrades.php
===================================================================
diff -u -N -r15012 -r15137
--- branches/5.2.x/core/install/upgrades.php	(.../upgrades.php)	(revision 15012)
+++ branches/5.2.x/core/install/upgrades.php	(.../upgrades.php)	(revision 15137)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: upgrades.php 15012 2012-01-06 20:38:49Z alex $
+* @version	$Id: upgrades.php 15137 2012-03-04 08:06:21Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -35,7 +35,7 @@
 			}
 
 			if ($mode == 'after') {
-				$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+				$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
 				/* @var $ml_helper kMultiLanguageHelper */
 
 				$this->Application->UnitConfigReader->iterateConfigs(Array (&$this, 'updateTextFields'), $ml_helper->getLanguages());
@@ -616,7 +616,7 @@
 			// Tables: PageContent, Images
 			if ($this->Conn->TableFound('PageContent', true)) {
 				// 1. replaces "/kernel/user_files/" references in content blocks
-				$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+				$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
 				/* @var $ml_helper kMultiLanguageHelper */
 
 				$languages = $ml_helper->getLanguages();
@@ -802,7 +802,7 @@
 
 			// make sure, that all categories have valid value for Priority field
 
-			$priority_helper =& $this->Application->recallObject('PriorityHelper');
+			$priority_helper = $this->Application->recallObject('PriorityHelper');
 			/* @var $priority_helper kPriorityHelper */
 
 			$event = new kEvent('c:OnListBuild');
@@ -839,7 +839,7 @@
 		 */
 		function _fixSkinColors()
 		{
-			$skin =& $this->Application->recallObject('skin', null, Array ('skip_autoload' => 1));
+			$skin = $this->Application->recallObject('skin', null, Array ('skip_autoload' => 1));
 			/* @var $skin kDBItem */
 
 			$skin->Load(1, 'IsPrimary');
@@ -873,7 +873,7 @@
 					$skin->SetDBField('Options', serialize($skin_options));
 					$skin->Update();
 
-					$skin_helper =& $this->Application->recallObject('SkinHelper');
+					$skin_helper = $this->Application->recallObject('SkinHelper');
 					/* @var $skin_helper SkinHelper */
 
 					$skin_file = $skin_helper->getSkinPath();
@@ -1293,7 +1293,7 @@
 				}
 
 				// replace data in category custom fields used for category item template storage
-				$rewrite_processor =& $this->Application->recallObject('kRewriteUrlProcessor');
+				$rewrite_processor = $this->Application->recallObject('kRewriteUrlProcessor');
 				/* @var $rewrite_processor kRewriteUrlProcessor */
 
 				foreach ($this->Application->ModuleInfo as $module_name => $module_info) {
@@ -1393,7 +1393,7 @@
 					}
 				}
 
-				$updater =& $this->Application->makeClass('kPermCacheUpdater');
+				$updater = $this->Application->makeClass('kPermCacheUpdater');
 				/* @var $updater kPermCacheUpdater */
 
 				$updater->OneStepRun();
@@ -1437,15 +1437,15 @@
 				$this->Conn->Query($sql);
 
 				// create multilingual fields for phrases and email events
-				$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+				$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
 				/* @var $ml_helper kMultiLanguageHelper */
 
 				$ml_helper->createFields('phrases');
 				$ml_helper->createFields('emailevents');
 				$languages = $ml_helper->getLanguages();
 
 				if ($this->Conn->TableFound(TABLE_PREFIX . 'EmailMessage', true)) {
-					$email_message_helper =& $this->Application->recallObject('EmailMessageHelper');
+					$email_message_helper = $this->Application->recallObject('EmailMessageHelper');
 					/* @var $email_message_helper EmailMessageHelper */
 
 
@@ -1558,7 +1558,7 @@
 						ADD INDEX (StateCountryId)';
 			$this->Conn->Query($sql);
 
-			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+			$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
 			/* @var $ml_helper kMultiLanguageHelper */
 
 			$ml_helper->createFields('country-state');
@@ -1589,7 +1589,7 @@
 		 */
 		function _replaceConfigurationValueSeparator()
 		{
-			$custom_field_helper =& $this->Application->recallObject('InpCustomFieldsHelper');
+			$custom_field_helper = $this->Application->recallObject('InpCustomFieldsHelper');
 			/* @var $custom_field_helper InpCustomFieldsHelper */
 
 			$sql = 'SELECT ValueList, VariableName
@@ -1629,7 +1629,7 @@
 					WHERE FromUserId IS NOT NULL AND (FromUserId <> ' . USER_ROOT . ')';
 			$events = $this->Conn->Query($sql, 'EventId');
 
-			$minput_helper =& $this->Application->recallObject('MInputHelper');
+			$minput_helper = $this->Application->recallObject('MInputHelper');
 			/* @var $minput_helper MInputHelper */
 
 			foreach ($events as $event_id => $event_data) {
@@ -1861,7 +1861,7 @@
 			$source_phrases = $this->getPhrasesByMask($source_prefix . '%');
 			$target_phrases = $this->getPhrasesByMask($target_prefix . '%');
 
-			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+			$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
 			/* @var $ml_helper kMultiLanguageHelper */
 
 			$delete_ids = Array ();