From a8b05c2fbc6920ceddf7ac2f5279807ff0041002 Mon Sep 17 00:00:00 2001
From: mark_story <mark@mark-story.com>
Date: Sun, 25 Jul 2010 01:15:28 -0400
Subject: [PATCH] Adding a check for '' and failure.  When trying to Cache '',
 FileEngine will return false.  This shouldn't trigger an error inside Cache.

---
 cake/libs/cache.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/cake/libs/cache.php b/cake/libs/cache.php
index 324e9fb4c86..da5cba99c62 100644
--- a/cake/libs/cache.php
+++ b/cake/libs/cache.php
@@ -270,7 +270,7 @@ public static function write($key, $value, $config = null) {
 
 		$success = self::$_engines[$config]->write($settings['prefix'] . $key, $value, $settings['duration']);
 		self::set();
-		if ($success === false) {
+		if ($success === false && $value !== '') {
 			trigger_error(
 				sprintf(__("%s cache was unable to write '%s' to cache", true), $config, $key),
 				E_USER_WARNING