public function DefaultExceptionHtmlSubscriber::on4xx in Drupal 9
Same name and namespace in other branches
- 8 core/lib/Drupal/Core/EventSubscriber/DefaultExceptionHtmlSubscriber.php \Drupal\Core\EventSubscriber\DefaultExceptionHtmlSubscriber::on4xx()
Handles a 4xx error for HTML.
Parameters
\Symfony\Component\HttpKernel\Event\ExceptionEvent $event: The event to process.
File
- core/lib/ Drupal/ Core/ EventSubscriber/ DefaultExceptionHtmlSubscriber.php, line 89 
Class
- DefaultExceptionHtmlSubscriber
- Exception subscriber for handling core default HTML error pages.
Namespace
Drupal\Core\EventSubscriberCode
public function on4xx(ExceptionEvent $event) {
  if (($exception = $event
    ->getThrowable()) && $exception instanceof HttpExceptionInterface) {
    $this
      ->makeSubrequest($event, '/system/4xx', $exception
      ->getStatusCode());
  }
}