From 4025f2fb22a7093e9363b1b98fce05167f23d6e2 Mon Sep 17 00:00:00 2001
From: Mark Scherer <euromark@web.de>
Date: Wed, 17 Jun 2015 12:38:06 +0200
Subject: [PATCH] add cast for clarification and to allow int 0.

---
 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 3ada62684..574cf2f64 100644
--- a/lib/Cake/Utility/Validation.php
+++ b/lib/Cake/Utility/Validation.php
@@ -77,7 +77,7 @@ class Validation {
 			extract(self::_defaults($check));
 		}
 
-		if (empty($check) && $check !== '0') {
+		if (empty($check) && (string)$check !== '0') {
 			return false;
 		}
 		return self::_check($check, '/[^\s]+/m');