1: <?php
 2: /**
 3:  * This class provides a null cache storage driver.
 4:  *
 5:  * Copyright 2006-2007 Duck <duck@obala.net>
 6:  *
 7:  * See the enclosed file COPYING for license information (LGPL). If you
 8:  * did not receive this file, see http://www.horde.org/licenses/lgpl21.
 9:  *
10:  * @author   Duck <duck@obala.net>
11:  * @category Horde
12:  * @license  http://www.horde.org/licenses/lgpl21 LGPL 2.1
13:  * @package  Cache
14:  */
15: class Horde_Cache_Storage_Null extends Horde_Cache_Storage_Base
16: {
17:     /**
18:      */
19:     public function get($key, $lifetime = 0)
20:     {
21:         return false;
22:     }
23: 
24:     /**
25:      */
26:     public function set($key, $data, $lifetime = 0)
27:     {
28:     }
29: 
30:     /**
31:      */
32:     public function exists($key, $lifetime = 0)
33:     {
34:         return false;
35:     }
36: 
37:     /**
38:      */
39:     public function expire($key)
40:     {
41:         return false;
42:     }
43: 
44:     /**
45:      */
46:     public function clear()
47:     {
48:     }
49: 
50: }
51: