MIF_E31222691/laravel/cache/apc.php

125 lines
2.2 KiB
PHP

<?php namespace Laravel\Cache;
use Laravel\Config;
/**
* Wrap the APC functions in a class that can be injected into driver.
* Since the APC functions are global, the driver is untestable without
* injecting a wrapper around them.
*/
class APC_Engine {
/**
* Get an item from the APC cache.
*
* @param string $key
* @return mixed
*/
public function get($key)
{
return apc_fetch($key);
}
/**
* Store an item in the APC cache.
*
* @param string $key
* @param mixed $value
* @param int $minutes
* @return void
*/
public function put($key, $value, $seconds)
{
apc_store($key, $value, $seconds);
}
/**
* Delete an item from the APC cache.
*
* @param string $key
* @return void
*/
public function forget($key)
{
apc_delete($key);
}
}
class APC extends Driver {
/**
* The APC Engine instance.
*
* @var APC_Engine
*/
private $apc;
/**
* Create a new APC cache driver instance.
*
* @param APC_Engine $apc
* @return void
*/
public function __construct(APC_Engine $apc)
{
$this->apc = $apc;
}
/**
* Determine if an item exists in the cache.
*
* <code>
* // Determine if the "name" item exists in the cache
* $exists = Cache::driver()->has('name');
* </code>
*
* @param string $key
* @return bool
*/
public function has($key)
{
return ( ! is_null($this->get($key)));
}
/**
* Retrieve an item from the cache driver.
*
* @param string $key
* @return mixed
*/
protected function retrieve($key)
{
return ( ! is_null($cache = $this->apc->get(Config::get('cache.key').$key))) ? $cache : null;
}
/**
* Write an item to the cache for a given number of minutes.
*
* <code>
* // Write the "name" item to the cache for 30 minutes
* Cache::driver()->put('name', 'Fred', 30);
* </code>
*
* @param string $key
* @param mixed $value
* @param int $minutes
* @return void
*/
public function put($key, $value, $minutes)
{
$this->apc->put(Config::get('cache.key').$key, $value, $minutes * 60);
}
/**
* Delete an item from the cache.
*
* @param string $key
* @return void
*/
public function forget($key)
{
$this->apc->forget(Config::get('cache.key').$key);
}
}