public Fast404ExceptionHtmlSubscriber::on404(GetResponseForExceptionEvent $event)
Handles a 404 error for HTML.
Parameters
\Symfony\Component\HttpKernel\Event\GetResponseForExceptionEvent $event: The event to process.
File
- core/lib/Drupal/Core/EventSubscriber/Fast404ExceptionHtmlSubscriber.php, line 69
Class
- Fast404ExceptionHtmlSubscriber
- High-performance 404 exception subscriber.
Namespace
Drupal\Core\EventSubscriber
Code
public function on404(GetResponseForExceptionEvent $event) { $request = $event->getRequest(); $config = $this->configFactory->get('system.performance'); $exclude_paths = $config->get('fast_404.exclude_paths'); if ($config->get('fast_404.enabled') && $exclude_paths && !preg_match($exclude_paths, $request->getPathInfo())) { $fast_paths = $config->get('fast_404.paths'); if ($fast_paths && preg_match($fast_paths, $request->getPathInfo())) { $fast_404_html = strtr($config->get('fast_404.html'), ['@path' => Html::escape($request->getUri())]); $response = new Response($fast_404_html, Response::HTTP_NOT_FOUND); $event->setResponse($response); } } }
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