<?php
/*
* This file is part of the Assetic package, an OpenSky project.
*
* (c) 2010-2012 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;
/**
* Uses APC to cache files
*
* @author André Roaldseth <andre@roaldseth.net>
*/
class ApcCache implements CacheInterface {
public $ttl = 0;
/**
* @see CacheInterface::has()
*/
public function has($key) {
return apc_exists($key);
}
/**
* @see CacheInterface::get()
*/
public function get($key) {
$value = apc_fetch($key, $success);
if (!$success) {
throw new \RuntimeException('There is no cached value for ' . $key);
}
return $value;
}
/**
* @see CacheInterface::set()
*/
public function set($key, $value) {
$store = apc_store($key, $value, $this->ttl);
if (!$store) {
throw new \RuntimeException('Unable to store "' . $key . '" for ' . $this->ttl . ' seconds.');
}
return $store;
}
/**
* @see CacheInterface::remove()
*/
public function remove($key) {
return apc_delete($key);
}
}