Index: branches/5.2.x/core/units/helpers/language_import_helper.php
===================================================================
diff -u -N -r14585 -r14628
--- branches/5.2.x/core/units/helpers/language_import_helper.php	(.../language_import_helper.php)	(revision 14585)
+++ branches/5.2.x/core/units/helpers/language_import_helper.php	(.../language_import_helper.php)	(revision 14628)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: language_import_helper.php 14585 2011-09-24 12:04:17Z alex $
+* @version	$Id: language_import_helper.php 14628 2011-10-04 09:36:30Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -471,7 +471,7 @@
 		 * @param int $language_id
 		 * @param string $prefix
 		 * @param string $unique_field
-		 * @param string $data_fields
+		 * @param Array $data_fields
 		 */
 		function _performUpgrade($language_id, $prefix, $unique_field, $data_fields)
 		{
@@ -550,6 +550,7 @@
 		 * @param int $language_id
 		 * @param string $prefix
 		 * @param string $unique_field
+		 * @param string $data_field
 		 * @param bool $temp_mode
 		 * @return Array
 		 */
@@ -618,10 +619,13 @@
 		 * Create temp table for prefix, if table already exists, then delete it and create again
 		 *
 		 * @param string $prefix
+		 * @param bool $drop_only
+		 * @return string Name of created temp table
+		 * @access protected
 		 */
-		function _prepareTempTable($prefix, $drop_only = false)
+		protected function _prepareTempTable($prefix, $drop_only = false)
 		{
-			$idfield = $this->Application->getUnitOption($prefix, 'IDField');
+			$id_field = $this->Application->getUnitOption($prefix, 'IDField');
 			$table = $this->Application->getUnitOption($prefix,'TableName');
 			$temp_table = $this->Application->GetTempName($table);
 
@@ -633,7 +637,7 @@
 				$this->Conn->Query($sql);
 
 				$sql = 'ALTER TABLE %1$s CHANGE %2$s %2$s INT(11) NOT NULL DEFAULT "0"';
-				$this->Conn->Query( sprintf($sql, $temp_table, $idfield) );
+				$this->Conn->Query( sprintf($sql, $temp_table, $id_field) );
 
 				switch ($prefix) {
 					case 'phrases':