Resolved issue 160. Removed unneeded array copy.

1 files changed, 2 insertions, 3 deletions

diff --git a/system/libraries/Cache/drivers/Cache_file.php b/system/libraries/Cache/drivers/Cache_file.php
index 13e2d1af6..edb48acb6 100644
--- a/system/libraries/Cache/drivers/Cache_file.php
+++ b/system/libraries/Cache/drivers/Cache_file.php
@@ -157,16 +157,15 @@ class CI_Cache_file extends CI_Driver {
 		
 		if (is_array($data))
 		{
-			$data = $data['data'];
 			$mtime = filemtime($this->_cache_path.$id);
 
-			if ( ! isset($data['ttl']))
+			if ( ! isset($data['data']['ttl']))
 			{
 				return FALSE;
 			}
 
 			return array(
-				'expire' 	=> $mtime + $data['ttl'],
+				'expire' 	=> $mtime + $data['data']['ttl'],
 				'mtime'		=> $mtime
 			);
 		}