Pagekit\Routing\Event\RouterListener::onRequest PHP Method

    public function onRequest($event, $request)
    {
        if ($request->attributes->has('_controller')) {
            return;
        }
        try {
            if ($this->matcher instanceof RequestMatcherInterface) {
                $parameters = $this->matcher->matchRequest($request);
            } else {
                $parameters = $this->matcher->match($request->getPathInfo());
            }
            if (null !== $this->logger) {
                $this->logger->info(sprintf('Matched route "%s" (parameters: %s)', $parameters['_route'], $this->parametersToString($parameters)));
            }
            $request->attributes->add($parameters);
            unset($parameters['_route'], $parameters['_controller']);
            $request->attributes->set('_route_params', $parameters);
        } catch (ResourceNotFoundException $e) {
            $message = sprintf('No route found for "%s %s"', $request->getMethod(), $request->getPathInfo());
            if ($referer = $request->headers->get('referer')) {
                $message .= sprintf(' (from "%s")', $referer);
            }
            throw new NotFoundHttpException(htmlspecialchars($message), $e);
        } catch (MethodNotAllowedException $e) {
            $message = sprintf('No route found for "%s %s": Method Not Allowed (Allow: %s)', $request->getMethod(), $request->getPathInfo(), implode(', ', $e->getAllowedMethods()));
            throw new MethodNotAllowedHttpException(htmlspecialchars($message), $e);
        }
    }