Index: branches/5.2.x/core/kernel/utility/temp_handler.php
===================================================================
diff -u -N -r14657 -r14699
--- branches/5.2.x/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 14657)
+++ branches/5.2.x/core/kernel/utility/temp_handler.php	(.../temp_handler.php)	(revision 14699)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: temp_handler.php 14657 2011-10-12 08:52:40Z alex $
+* @version	$Id: temp_handler.php 14699 2011-10-26 11:39:38Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -152,11 +152,12 @@
 
 	function CreateTempTable($table)
 	{
-		$query = sprintf("CREATE TABLE %s SELECT * FROM %s WHERE 0",
-										$this->GetTempName($table),
-										$table);
+		$sql = 'CREATE TABLE ' . $this->GetTempName($table) . '
+				SELECT *
+				FROM ' . $table . '
+				WHERE 0';
 
-		$this->Conn->Query($query);
+		$this->Conn->Query($sql);
 	}
 
 	function BuildTables($prefix, $ids)
@@ -281,7 +282,9 @@
 
 		foreach ($ids as $id) {
 			$mode = 'create';
-			if ( $cloned_ids = getArrayValue($this->AlreadyProcessed, $master['TableName']) ) {
+			$cloned_ids = getArrayValue($this->AlreadyProcessed, $master['TableName']);
+
+			if ( $cloned_ids ) {
 				// if we have already cloned the id, replace it with cloned id and set mode to update
 				// update mode is needed to update second ForeignKey for items cloned by first ForeignKey
 				if ( getArrayValue($cloned_ids, $id) ) {
@@ -494,7 +497,9 @@
 			$parent_key_field = $master['IdField'];
 		}
 
-		if ( $cached = getArrayValue($this->FKeysCache, $master['TableName'].'.'.$parent_key_field) ) {
+		$cached = getArrayValue($this->FKeysCache, $master['TableName'].'.'.$parent_key_field);
+
+		if ( $cached ) {
 			if ( array_key_exists(serialize($live_id), $cached) ) {
 				list($live_foreign_key, $temp_foreign_key) = $cached[serialize($live_id)];
 				if ($mode == 1) {
@@ -866,10 +871,12 @@
 
 	function DropTempTable($table)
 	{
-		if( in_array($table, $this->DroppedTables) ) return false;
-		$query = sprintf("DROP TABLE IF EXISTS %s",
-											$this->GetTempName($table)
-										);
+		if ( in_array($table, $this->DroppedTables) ) {
+			return false;
+		}
+
+		$query = 'DROP TABLE IF EXISTS ' . $this->GetTempName($table);
+
 		array_push($this->DroppedTables, $table);
 		$this->DroppedTables = array_unique($this->DroppedTables);
 		$this->Conn->Query($query);