Pimf\Cache\Storages\Apc

Complexity

Total Complexity

11

Size/Duplication

Total Lines	100
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	5	1
A	retrieve()	0	8	3
A	put()	0	7	2
A	forever()	0	4	1
A	forget()	0	4	2
A	flush()	0	4	2

<?php
/**
 * Pimf
 *
 * @copyright Copyright (c)  Gjero Krsteski (http://krsteski.de)
 * @license   http://opensource.org/licenses/MIT MIT License
 */

namespace Pimf\Cache\Storages;

/**
 * @package Cache_Storages
 * @author  Gjero Krsteski <gjero@krsteski.de>
 */
class Apc extends Storage
{
    /**
     * The cache key from the cache configuration file.
     *
     * @var string
     */
    protected $key;

    /**
     * Is APCu is supported.
     *
     * @var bool
     */
    protected $apcu = false;

    /**
     * Create a new APC cache storage instance.
     *
     * @param string $key
     */
    public function __construct($key)
    {
        $this->key = (string)$key;
        $this->apcu = function_exists('apcu_fetch');
    }

    /**
     * Retrieve an item from the cache storage.
     *
     * @param string $key
     *
     * @return mixed
     */
    protected function retrieve($key)
    {
        $result = $this->apcu
            ? apcu_fetch($this->key . $key, $success)
            : apc_fetch($this->key . $key, $success)
        ;
        return ($success === true) ? $result : null;
    }

    /**
     * Write an item to the cache for a given number of minutes.
     *
     * <code>
     *    // Put an item in the cache for 15 minutes
     *    Cache::put('name', 'Robin', 15);
     * </code>
     *
     * @param string $key
     * @param mixed  $value
     * @param int    $minutes
     *
     * @return bool
     */
    public function put($key, $value, $minutes)
    {
        return $this->apcu
            ? apcu_store('' . $this->key . $key, $value, (int)$minutes * 60)
            : apc_store('' . $this->key . $key, $value, (int)$minutes * 60
            );
    }

    /**
     * Write an item to the cache that lasts forever.
     *
     * @param  string $key
     * @param  mixed  $value
     *
     * @return boolean
     */
    public function forever($key, $value)
    {
        return $this->put($key, $value, 0);
    }

    /**
     * Delete an item from the cache.
     *
     * @param string $key
     *
     * @return bool
     */
    public function forget($key)
    {
        return $this->apcu ? apcu_delete($key) : apc_delete($key);
    }

    /**
     * Remove all items from the cache.
     *
     * @return void
     */
    public function flush()
    {
        $this->apcu ? apcu_clear_cache() : apc_clear_cache('user');
    }
}