From cb7921b8a5ecd391076f869fd344b78f789adf70 Mon Sep 17 00:00:00 2001
From: ekerazha <ekerazha@gmail.com>
Date: Sun, 29 Sep 2013 17:59:31 +0200
Subject: [PATCH] Fix StringHelper::substr() call.

---
 framework/yii/helpers/BaseSecurity.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/framework/yii/helpers/BaseSecurity.php b/framework/yii/helpers/BaseSecurity.php
index 41caade..ca42d37 100644
--- a/framework/yii/helpers/BaseSecurity.php
+++ b/framework/yii/helpers/BaseSecurity.php
@@ -104,10 +104,10 @@ class BaseSecurity
 	*/
 	protected static function stripPadding($data)
 	{
-		$end = StringHelper::substr($data, -1);
+		$end = StringHelper::substr($data, -1, NULL);
 		$last = ord($end);
 		$n = StringHelper::strlen($data) - $last;
-		if (StringHelper::substr($data, $n) == str_repeat($end, $last)) {
+		if (StringHelper::substr($data, $n, NULL) == str_repeat($end, $last)) {
 			return StringHelper::substr($data, 0, $n);
 		}
 		return false;