gjerokrsteski/pimf-framework

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

namespace Pimf\Session\Storages;

use Pimf\Cookie as Crumb;

/**
 * @package Session_Storages
 * @author  Gjero Krsteski <gjero@krsteski.de>
 */
class Cookie extends Storage
{
    /**
     * The name of the cookie used to store the session payload.
     *
     * @var string
     */
    const PAYLOAD = 'session_payload';

    /**
     * Load a session from storage by a given ID.
     *
     * @param  string $key
     *
     * @return array|null
     */
    public function load($key)
    {
        if (Crumb::has(static::PAYLOAD)) {
            return unserialize(base64_decode(Crumb::get(static::PAYLOAD)));
        }

        return null;
    }

    /**
     * Save a given session to storage.
     *
     * @param array $session
     * @param array $config
     * @param bool  $exists
     */
    public function save($session, $config, $exists)
    {
        Crumb::put(static::PAYLOAD, base64_encode(serialize($session)), $config['lifetime'], $config['path'],
            $config['domain']);
    }

    /**
     * @param string $key
     */
    public function delete($key)
    {
        Crumb::forget(static::PAYLOAD);
    }
}