Pimf\Session\Storages\File

Complexity

Total Complexity

11

Size/Duplication

Total Lines	77
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	1

Importance

Changes

0

5 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	4	1
A	load()	0	8	2
A	save()	0	4	1
A	delete()	0	6	2
A	clean()	0	14	5

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

namespace Pimf\Session\Storages;

use Pimf\Contracts\Cleanable;

/**
 * @package Session_Storages
 * @author  Gjero Krsteski <gjero@krsteski.de>
 */
class File extends Storage implements Cleanable
{
    /**
     * The path to which the session files should be written.
     *
     * @var string
     */
    private $path;

    /**
     * @param string $path
     */
    public function __construct($path)
    {
        $this->path = (string)$path;
    }

    /**
     * Load a session from storage by a given ID.
     *
     * @param string $key
     *
     * @return array|mixed|null
     */
    public function load($key)
    {
        if (file_exists($path = $this->path . $key)) {
            return unserialize(file_get_contents($path));
        }

        return null;
    }

    /**
     * Save a given session to storage.
     *
     * @param array $session
     * @param array $config
     * @param bool  $exists
     */
    public function save($session, $config, $exists)
    {
        file_put_contents($this->path . $session['id'], serialize($session), LOCK_EX);
    }

    /**
     * @param string $key
     */
    public function delete($key)
    {
        if (file_exists($this->path . $key)) {
            unlink($this->path . $key);
        }
    }

    /**
     * Delete all expired sessions from persistent storage.
     *
     * @param int $expiration
     *
     * @return mixed|void
     */
    public function clean($expiration)
    {
        $files = glob($this->path . '*');

        if ($files === false) {
            return;
        }

        foreach ($files as $file) {
            if (filetype($file) == 'file' && filemtime($file) < $expiration) {
                unlink($file);
            }
        }
    }
}