From 963f1ca4493667877825eabb8971c4a6e19dc1fb Mon Sep 17 00:00:00 2001
From: mark_story <mark@mark-story.com>
Date: Sun, 10 Jun 2012 20:21:59 -0400
Subject: [PATCH] Don't |= with null.

---
 lib/Cake/Utility/Validation.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/Cake/Utility/Validation.php b/lib/Cake/Utility/Validation.php
index ab46a84dcc3..1e19e2b8f8a 100644
--- a/lib/Cake/Utility/Validation.php
+++ b/lib/Cake/Utility/Validation.php
@@ -467,7 +467,7 @@ public static function extension($check, $extensions = array('gif', 'jpeg', 'png
  */
 	public static function ip($check, $type = 'both') {
 		$type = strtolower($type);
-		$flags = null;
+		$flags = 0;
 		if ($type === 'ipv4' || $type === 'both') {
 			$flags |= FILTER_FLAG_IPV4;
 		}