add(new WhoopsMiddleware()); // Route parser $routeParser = $app->getRouteCollector()->getRouteParser(); // Routes $app->get('/', function (Request $request, Response $response, $args) use ($routeParser) { $response->getBody()->write(file_get_contents('template/index.php')); return $response; }); $app->get('/url-path-not-exists', function(Request $request, Response $response, $args) use ($routeParser) { return $routeParser->urlFor('hello'); }); // Run $app->run();