header('Location: ./');
        }
    }
}
switch ($model) {
    case 'user':
        if (isset($_SESSION['user'])) {
            if ($_SESSION['user']->isloggedin()) {
                $u = $_SESSION['user'];
                $c = new userController($u);
                $c->action($action);
            }
        } elseif ($action == 'login') {
            $u = new user();
            $c = new userController($u);
            $c->action('login');
        } else {
            $u = new user();
            $v = new userView($u);
            $v->login();
        }
        break;
    case 'option':
        $u = $_SESSION['user']->username;
        $o = new option($u);
        $c = new optionController($o);
        $c->action($action);
        break;
    case 'none':
        break;
    default: