Request::cookie PHP Method

        public static function cookie($key = null, $default = null)
        {
            return \Illuminate\Http\Request::cookie($key, $default);
        }

 public static function initialize()
 {
     if (self::$initialized) {
         return;
     }
     self::$initialized = true;
     try {
         // Initialize local session
         Session::init();
         if (!empty($_GET['logout'])) {
             self::destroy();
             Session::init();
         }
         if (!Session::userIsLoggedIn() && Request::cookie('remember_me')) {
             if (!LoginModel::loginWithCookie(Request::cookie('remember_me'))) {
                 LoginModel::deleteCookie();
             }
         }
         $currentUrl = $_SERVER['REQUEST_URI'];
         $end = strpos($currentUrl, '?');
         if ($end === false) {
             $end = strpos($currentUrl, '#');
         }
         if ($end !== false) {
             $currentUrl = substr($currentUrl, 0, $end);
         }
         // Initialize Facebook session
         /*self::$facebookSession = new FacebookSessionWrapper(
             Tools::getBaseUrl() . $currentUrl,
             Tools::getBaseUrl() . '/logout/'
           );*/
     } catch (\Exception $ex) {
     }
 }