system/libraries/drivers/Cache.php

   1 <?php defined('SYSPATH') OR die('No direct access allowed.');
   2 /**
   3  * Cache driver interface.
   4  *
   5  * $Id: Cache.php 3917 2009-01-21 03:06:22Z zombor $
   6  *
   7  * @package    Cache
   8  * @author     Kohana Team
   9  * @copyright  (c) 2007-2008 Kohana Team
  10  * @license    http://kohanaphp.com/license.html
  11  */
  12 interface Cache_Driver {
  13
  14         /**
  15          * Set a cache item.
  16          */
  17         public function set($id, $data, $tags, $lifetime);
  18
  19         /**
  20          * Find all of the cache ids for a given tag.
  21          */
  22         public function find($tag);
  23
  24         /**
  25          * Get a cache item.
  26          * Return NULL if the cache item is not found.
  27          */
  28         public function get($id);
  29
  30         /**
  31          * Delete cache items by id or tag.
  32          */
  33         public function delete($id, $tag = FALSE);
  34
  35         /**
  36          * Deletes all expired cache items.
  37          */
  38         public function delete_expired();
  39
  40 } // End Cache Driver