CacheInterface.php
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<?php
/*
* This file is part of the Assetic package, an OpenSky project.
*
* (c) 2010-2014 OpenSky Project Inc
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Assetic\Cache;
/**
* Interface for a cache backend.
*
* @author Kris Wallsmith <kris.wallsmith@gmail.com>
*/
interface CacheInterface
{
/**
* Checks if the cache has a value for a key.
*
* @param string $key A unique key
*
* @return Boolean Whether the cache has a value for this key
*/
public function has($key);
/**
* Returns the value for a key.
*
* @param string $key A unique key
*
* @return string|null The value in the cache
*/
public function get($key);
/**
* Sets a value in the cache.
*
* @param string $key A unique key
* @param string $value The value to cache
*/
public function set($key, $value);
/**
* Removes a value from the cache.
*
* @param string $key A unique key
*/
public function remove($key);
}