From a29e76f27bd4296d74b755928800565426856068 Mon Sep 17 00:00:00 2001
From: Taylor Otwell <taylorotwell@gmail.com>
Date: Thu, 7 Jul 2011 07:41:39 -0700
Subject: [PATCH] Force File cache driver to return null when items are
 expired.

---
 system/cache/driver/file.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/system/cache/driver/file.php b/system/cache/driver/file.php
index e68bfb50..f76522b5 100644
--- a/system/cache/driver/file.php
+++ b/system/cache/driver/file.php
@@ -43,7 +43,9 @@ public function get($key)
 
 		if (time() >= substr($cache, 0, 10))
 		{
-			return $this->forget($key);
+			$this->forget($key);
+
+			return null;
 		}
 
 		return $this->items[$key] = unserialize(substr($cache, 10));