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<?php defined('SYSPATH') OR die('No direct access allowed.');
/**
* Cache driver interface.
*
* $Id: Cache.php 4046 2009-03-05 19:23:29Z Shadowhand $
*
* @package Cache
* @author Kohana Team
* @copyright (c) 2007-2008 Kohana Team
* @license http://kohanaphp.com/license.html
*/
interface Cache_Driver {
/**
* Set a cache item.
*/
public function set($id, $data, array $tags = NULL, $lifetime);
/**
* Find all of the cache ids for a given tag.
*/
public function find($tag);
/**
* Get a cache item.
* Return NULL if the cache item is not found.
*/
public function get($id);
/**
* Delete cache items by id or tag.
*/
public function delete($id, $tag = FALSE);
/**
* Deletes all expired cache items.
*/
public function delete_expired();
} // End Cache Driver
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