Index: branches/5.2.x/units/listings/listings_tag_processor.php
===================================================================
diff -u -N -r14958 -r15142
--- branches/5.2.x/units/listings/listings_tag_processor.php	(.../listings_tag_processor.php)	(revision 14958)
+++ branches/5.2.x/units/listings/listings_tag_processor.php	(.../listings_tag_processor.php)	(revision 15142)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: listings_tag_processor.php 14958 2011-12-30 10:49:34Z alex $
+* @version	$Id: listings_tag_processor.php 15142 2012-03-04 08:08:50Z alex $
 * @package	In-Link
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -69,7 +69,7 @@
 		$object =& $this->getObject($params);
 		/* @var $object kDBItem */
 
-		$listing_type =& $this->Application->recallObject( 'lst', 'lst', $params );
+		$listing_type = $this->Application->recallObject( 'lst', 'lst', $params );
 		/* @var $listing_type kDBItem */
 
 		$dur_type_mapping = Array (
@@ -82,7 +82,7 @@
 		$expiration_interval = $duration * $dur_type_mapping[$duration_type];
 		$expiration_date = adodb_mktime() + $expiration_interval;
 
-		$lang =& $this->Application->recallObject('lang.current');
+		$lang = $this->Application->recallObject('lang.current');
 		/* @var $lang LanguagesItem */
 
 		return adodb_date($lang->GetDBField($format_field), $expiration_date);
Index: branches/5.2.x/units/link_validation/link_validation_eh.php
===================================================================
diff -u -N -r15135 -r15142
--- branches/5.2.x/units/link_validation/link_validation_eh.php	(.../link_validation_eh.php)	(revision 15135)
+++ branches/5.2.x/units/link_validation/link_validation_eh.php	(.../link_validation_eh.php)	(revision 15142)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: link_validation_eh.php 15135 2012-03-03 19:05:16Z alex $
+* @version	$Id: link_validation_eh.php 15142 2012-03-04 08:08:50Z alex $
 * @package	In-Link
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -75,7 +75,7 @@
 
 				$perm_value = true;
 				if ( $ids ) {
-					$perm_helper =& $this->Application->recallObject('PermissionsHelper');
+					$perm_helper = $this->Application->recallObject('PermissionsHelper');
 					/* @var $perm_helper kPermissionsHelper */
 
 					$items = $perm_helper->GetCategoryItemData('l', $ids);
@@ -161,7 +161,7 @@
 			$ids = $this->Conn->GetCol($sql);
 
 			if ($ids) {
-				$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
+				$temp_handler = $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
 				/* @var $temp_handler kTempTablesHandler */
 
 				$temp_handler->DeleteItems($event->Prefix, $event->Special, $ids);
@@ -319,7 +319,7 @@
 
 		function _validateLink($link_id)
 		{
-			$curl_helper =& $this->Application->recallObject('CurlHelper');
+			$curl_helper = $this->Application->recallObject('CurlHelper');
 			/* @var $curl_helper kCurlHelper */
 
 			$sql = 'SELECT Url, ResourceId
@@ -338,7 +338,7 @@
 				$curl_helper->lastErrorCode = 500;
 			}
 
-			$link_validation =& $this->Application->recallObject($this->Prefix . '.-item', null, Array ('skip_autoload' => true));
+			$link_validation = $this->Application->recallObject($this->Prefix . '.-item', null, Array ('skip_autoload' => true));
 			/* @var $link_validation kDBItem */
 
 			$link_validation->Load($link_id, 'LinkId');
@@ -379,7 +379,7 @@
 				return ;
 			}
 
-			$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
+			$temp_handler = $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
 			/* @var $temp_handler kTempTablesHandler */
 
 			$temp_handler->DeleteItems($event->Prefix, $event->Special, $ids);
@@ -435,7 +435,7 @@
 				return;
 			}
 
-			$object =& $this->Application->recallObject('l.-item', null, Array ('skip_autoload' => true));
+			$object = $this->Application->recallObject('l.-item', null, Array ('skip_autoload' => true));
 			/* @var $object kCatDBItem */
 
 			foreach ($ids as $id) {
@@ -477,7 +477,7 @@
 				return ;
 			}
 
-			$temp_handler =& $this->Application->recallObject('l_TempHandler', 'kTempTablesHandler');
+			$temp_handler = $this->Application->recallObject('l_TempHandler', 'kTempTablesHandler');
 			/* @var $temp_handler kTempTablesHandler */
 
 			$temp_handler->DeleteItems('l', '', $ids);
Index: branches/5.2.x/units/listings/listings_event_handler.php
===================================================================
diff -u -N -r15135 -r15142
--- branches/5.2.x/units/listings/listings_event_handler.php	(.../listings_event_handler.php)	(revision 15135)
+++ branches/5.2.x/units/listings/listings_event_handler.php	(.../listings_event_handler.php)	(revision 15142)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: listings_event_handler.php 15135 2012-03-03 19:05:16Z alex $
+* @version	$Id: listings_event_handler.php 15142 2012-03-04 08:08:50Z alex $
 * @package	In-Link
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -173,10 +173,10 @@
 
 		$this->UpdateLink('OnPurchase', $object->GetDBField('ItemResourceId'), $object->GetDBField('ListingTypeId'));
 
-		$listtype_object =& $this->Application->recallObject('lst');
+		$listtype_object = $this->Application->recallObject('lst');
 		if ( $listtype_object->GetDBField('OnPurchaseAddToCatEnabled') )
 		{
-			$link_object =& $this->Application->recallObject('l');
+			$link_object = $this->Application->recallObject('l');
 			$add_to_cat = (int)$listtype_object->GetDBField('OnPurchaseAddToCat');
 			$sql = 'DELETE FROM '.$this->Application->getUnitOption('l-ci', 'TableName').'
 					WHERE CategoryId = '.$add_to_cat.'
@@ -204,7 +204,7 @@
 
 		$this->UpdateLink('OnExpire', $original_values['ItemResourceId'], $original_values['ListingTypeId']);
 
-		$listtype_object =& $this->Application->recallObject('lst');
+		$listtype_object = $this->Application->recallObject('lst');
 		if( $listtype_object->GetDBField('OnExpireRemoveFromCatEnabled') )
 		{
 			$remove_from_cat = $listtype_object->GetDBField('OnExpireRemoveFromCat');
@@ -219,11 +219,11 @@
 	function UpdateLink($action_prefix, $resource_id, $listtype_id)
 	{
 
-		$link_object =& $this->Application->recallObject('l', null, Array('skip_autoload' => true));
+		$link_object = $this->Application->recallObject('l', null, Array('skip_autoload' => true));
 		$link_object->Load($resource_id, 'ResourceId');
 
 		// "-item", because can be called as regular after event, and just "lst" recalls list instead
-		$listtype_object =& $this->Application->recallObject('lst.-item', null, Array('skip_autoload' => true));
+		$listtype_object = $this->Application->recallObject('lst.-item', null, Array('skip_autoload' => true));
 		$listtype_object->Load($listtype_id);
 
 		$action_fields = Array(	'EdPick'	=>	'EditorsPick',
@@ -280,7 +280,7 @@
 			list ($link_id, $link_info) = each($l_info);
 			$listing_type_id = $link_info['ListingTypeId'];
 
-			$listing_type =& $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
+			$listing_type = $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
 			$listing_type->Load($listing_type_id);
 
 			if ($listing_type->GetDBField('EnableBuying')) {
@@ -375,7 +375,7 @@
 		}
 
 		// set expiration time for listing
-		$listing_type =& $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
+		$listing_type = $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
 		$listing_type->Load($listing_type_id);
 
 		$dur_type_mapping = Array(	1	=>	1,
@@ -500,7 +500,7 @@
 		$item_data = unserialize($fields['ItemData']);
 		$listing_id = $item_data['ListingId'];
 
-		$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
+		$temp_handler = $this->Application->recallObject($event->getPrefixSpecial().'_TempHandler', 'kTempTablesHandler');
 		$temp_handler->DeleteItems($event->Prefix, $event->Special, Array($listing_id));
 	}
 
@@ -579,7 +579,7 @@
 
 		// extend period for pending/renewal links (if owner has agreed)
 		if ( $event->Name == 'OnMassApprove' ) {
-			$lst_object =& $this->Application->recallObject('lst', null, Array ('skip_autoload' => true));
+			$lst_object = $this->Application->recallObject('lst', null, Array ('skip_autoload' => true));
 			/* @var $lst_object kDBItem */
 
 			foreach ($ids as $id) {
@@ -734,7 +734,7 @@
 		$expired_listings = $this->Conn->GetCol($sql);
 		if(is_array($expired_listings) && count($expired_listings) > 0)
 		{
-			$object =& $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true));
+			$object = $this->Application->recallObject($event->Prefix.'.-item', null, Array('skip_autoload' => true));
 			/* @var $object kDBItem */
 
 			foreach($expired_listings as $listing_id)
Index: branches/5.2.x/units/links/links_event_handler.php
===================================================================
diff -u -N -r15135 -r15142
--- branches/5.2.x/units/links/links_event_handler.php	(.../links_event_handler.php)	(revision 15135)
+++ branches/5.2.x/units/links/links_event_handler.php	(.../links_event_handler.php)	(revision 15142)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: links_event_handler.php 15135 2012-03-03 19:05:16Z alex $
+* @version	$Id: links_event_handler.php 15142 2012-03-04 08:08:50Z alex $
 * @package	In-Link
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -60,7 +60,7 @@
 			if ( substr($event->Special, 0, 10) == 'duplicates' ) {
 				$object->removeFilter('category_filter');
 
-				$link_helper =& $this->Application->recallObject('LinkHelper');
+				$link_helper = $this->Application->recallObject('LinkHelper');
 				/* @var $link_helper LinkHelper */
 
 				$grouping = $link_helper->getGrouping($event->getPrefixSpecial());
@@ -75,7 +75,7 @@
 						break;
 
 					case 'duplicates-sub':
-						$main_object =& $this->Application->recallObject($event->Prefix . '.duplicates');
+						$main_object = $this->Application->recallObject($event->Prefix . '.duplicates');
 						/* @var $main_object kDBItem */
 
 						foreach ($grouping as $field_index => $group_field) {
@@ -105,7 +105,7 @@
 		 */
 		function OnMerge($event)
 		{
-			$link_helper =& $this->Application->recallObject('LinkHelper');
+			$link_helper = $this->Application->recallObject('LinkHelper');
 			/* @var $link_helper LinkHelper */
 
 			$grouping = $link_helper->getGrouping($event->getPrefixSpecial());
@@ -144,7 +144,7 @@
 			}
 
 			if ( !$groping_error ) {
-				$temp_handler =& $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler');
+				$temp_handler = $this->Application->recallObject($event->getPrefixSpecial() . '_TempHandler', 'kTempTablesHandler');
 				/* @var $temp_handler kTempTablesHandler */
 
 				$categories_sql = '	SELECT main_table.ResourceId, ci.CategoryId, main_table.' . $id_field . '
@@ -293,7 +293,7 @@
 						if (!strlen($field_value) || ($field_value != $this->Application->RecallVar($event->Prefix . '_captcha_code'))) {
 							$this->Application->SetVar('error_'.$field_name, 1);
 
-							$captcha_helper =& $this->Application->recallObject('CaptchaHelper');
+							$captcha_helper = $this->Application->recallObject('CaptchaHelper');
 							/* @var $captcha_helper kCaptchaHelper */
 							$this->Application->StoreVar($event->Prefix . '_captcha_code', $captcha_helper->GenerateCaptchaCode());
 
@@ -395,7 +395,7 @@
 			if ($object->GetDBField('Url') != $object->GetOriginalField('Url')) {
 				// check only when url was changed
 
-				$link_helper =& $this->Application->recallObject('LinkHelper');
+				$link_helper = $this->Application->recallObject('LinkHelper');
 				/* @var $link_helper LinkHelper */
 
 				$link_checked = $link_helper->CheckReciprocalURL($object->GetDBField('Url'));
@@ -422,7 +422,7 @@
 			$object =& $event->getObject( Array('skip_autoload' => true) );
 			/* @var $object kCatDBItem */
 
-			$link_helper =& $this->Application->recallObject('LinkHelper');
+			$link_helper = $this->Application->recallObject('LinkHelper');
 			/* @var $link_helper LinkHelper */
 
 			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
Index: branches/5.2.x/units/links/link_tag_processor.php
===================================================================
diff -u -N -r14835 -r15142
--- branches/5.2.x/units/links/link_tag_processor.php	(.../link_tag_processor.php)	(revision 14835)
+++ branches/5.2.x/units/links/link_tag_processor.php	(.../link_tag_processor.php)	(revision 15142)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: link_tag_processor.php 14835 2011-12-05 17:10:09Z alex $
+* @version	$Id: link_tag_processor.php 15142 2012-03-04 08:08:50Z alex $
 * @package	In-Link
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -92,7 +92,7 @@
 
 		$lst_id = $this->getListingInfo($object->GetDBField('ResourceId'), 'ListingTypeId');
 
-		$lst_object =& $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
+		$lst_object = $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
 		$lst_object->Load($lst_id);
 
 		return $lst_object->GetField( $this->SelectParam($params, 'name,field') );
@@ -105,7 +105,7 @@
 
 		$listing_id = $this->getListingInfo($object->GetDBField('ResourceId'), 'ListingId');
 
-		$listing_object =& $this->Application->recallObject('ls', null, Array('skip_autoload' => true));
+		$listing_object = $this->Application->recallObject('ls', null, Array('skip_autoload' => true));
 		$listing_object->Load($listing_id);
 
 		return $listing_object->GetField( $this->SelectParam($params, 'name,field') );
@@ -155,7 +155,7 @@
 
 		$listtype_id = $this->getListingInfo($object->GetDBField('ResourceId'), 'ListingTypeId');
 
-		$lst_object =& $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
+		$lst_object = $this->Application->recallObject('lst', null, Array('skip_autoload' => true));
 		$lst_object->Load($listtype_id);
 
 		return $lst_object->GetDBField('EnableBuying');
@@ -180,15 +180,15 @@
 
 	function ListingDescription($params)
 	{
-		$listing_type =& $this->Application->recallObject('lst');
+		$listing_type = $this->Application->recallObject('lst');
 		/* @var $listing_type kDBItem */
 
 		return $listing_type->GetDBField('Description');
 	}
 
 	function ListingTypeDetailsLink($params)
 	{
-		$listing_type =& $this->Application->recallObject('lst', null, Array ('raise_warnings' => 0));
+		$listing_type = $this->Application->recallObject('lst', null, Array ('raise_warnings' => 0));
 		/* @var $listing_type kDBList */
 
 		$params['lst_id'] = $listing_type->isLoaded() ? $listing_type->GetID() : $this->Application->Parser->GetParam('key');
@@ -312,7 +312,7 @@
 
 		if (isset($params['formatted']) && $params['formatted']) {
 			// format the date
-			$lang =& $this->Application->recallObject('lang.current');
+			$lang = $this->Application->recallObject('lang.current');
 
 			if (isset($params['display_time']) && $params['display_time']) {
 				$display_format = $lang->GetDBField('DateFormat').' @ '.$lang->GetDBField('TimeFormat');
@@ -403,7 +403,7 @@
 			return ;
 		}
 
-		$link_helper =& $this->Application->recallObject('LinkHelper');
+		$link_helper = $this->Application->recallObject('LinkHelper');
 		/* @var $link_helper LinkHelper */
 
 		// 1. get current grouping
@@ -441,7 +441,7 @@
 		static $grouping = null;
 
 		if (!isset($grouping)) {
-			$link_helper =& $this->Application->recallObject('LinkHelper');
+			$link_helper = $this->Application->recallObject('LinkHelper');
 			/* @var $link_helper LinkHelper */
 
 			// 1. get current grouping