App\Middleware\OldInputMiddleware::__invoke PHP Method

    public function __invoke($request, $response, $next)
    {
        $this->container->view->getEnvironment()->addGlobal('old', isset($_SESSION['old']) ? $_SESSION['old'] : '');
        $_SESSION['old'] = $request->getParams();
        $response = $next($request, $response);
        return $response;
    }