public function CustomPageExceptionHtmlSubscriber::on404 in Drupal 9

Same name and namespace in other branches

1. 8 core/lib/Drupal/Core/EventSubscriber/CustomPageExceptionHtmlSubscriber.php \Drupal\Core\EventSubscriber\CustomPageExceptionHtmlSubscriber::on404()

Handles a 404 error for HTML.

Parameters

\Symfony\Component\HttpKernel\Event\ExceptionEvent $event: The event to process.

Overrides DefaultExceptionHtmlSubscriber::on404

File

core/lib/Drupal/Core/EventSubscriber/CustomPageExceptionHtmlSubscriber.php, line 78

Class

CustomPageExceptionHtmlSubscriber

Exception subscriber for handling core custom HTML error pages.

Namespace

Drupal\Core\EventSubscriber

Code

public function on404(ExceptionEvent $event) {
  $custom_404_path = $this->configFactory
    ->get('system.site')
    ->get('page.404');
  if (!empty($custom_404_path)) {
    $this
      ->makeSubrequestToCustomPath($event, $custom_404_path, Response::HTTP_NOT_FOUND);
  }
}