src/EventSubscriber/ExceptionSubscriber.php line 83

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  1. <?php
  2. // src/EventSubscriber/ExceptionSubscriber.php
  3. namespace App\EventSubscriber;
  5. use Twig\Environment;
  6. use Symfony\Component\HttpFoundation\Response;
  7. use Symfony\Component\HttpKernel\KernelEvents;
  8. use Symfony\Component\HttpKernel\Event\ExceptionEvent;
  9. use Symfony\Component\EventDispatcher\EventSubscriberInterface;
  10. use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
  12. class ExceptionSubscriber implements EventSubscriberInterface
  13. {
  14.     public function __construct(
  15.         private Environment $twig,
  16.     ) {
  17.     }
  18.     
  19.     public static function getSubscribedEvents(): array
  20.     {
  21.         // return the subscribed events, their methods and priorities
  22.         return [
  23.             KernelEvents::EXCEPTION => [
  24.                 ['processException', 10],
  25.                 ['logException', 0],
  26.                 ['notifyException', -10],
  27.             ],
  28.         ];
  29.     }
  31.     public function processException(ExceptionEvent $event): void
  32.     {        
  33.         $exception = $event->getThrowable();
  34.         
  35.         if ($exception->getLine() != 500 && $exception->getCode() != 404) {
  36.             return;
  37.         }
  38.         
  39.         $message = sprintf(
  40.             'Error %s. Message: %s',
  41.             $exception->getCode(),
  42.             $exception->getMessage()            
  43.         );
  45.         $response = new Response();
  46.         $response->headers->set('Content-Type', 'text/html; charset=utf-8');
  48.         $status_code = $exception->getCode();
  50.         if ($exception instanceof HttpExceptionInterface) {
  51.             $status_code = $exception->getStatusCode();
  52.             if ($status_code == 404) {
  53.                 $message = "Page not Found";
  54.             }
  55.             $response->setStatusCode($exception->getStatusCode());
  56.             $response->headers->replace($exception->getHeaders());
  57.         } else {
  58.             $status_code = 500;
  59.             $response->setStatusCode(500);
  60.         }
  62.         if ($status_code == 404) {
  63.             $content = $this->twig->render('error/error404.html.twig', [
  64.                 'exception' => $exception,
  65.                 'code' => $status_code,
  66.                 'status_code' => $status_code,
  67.                 'message' => $message,            
  68.             ]);
  69.         } else {
  70.             $content = $exception->getTraceAsString();
  71.             // $this->twig->render('error/error.html.twig', [
  72.             //     'exception' => $exception,
  73.             //     'code' => $status_code,
  74.             //     'status_code' => $status_code,
  75.             //     'message' => $message,            
  76.             // ]);
  77.         }
  78.         
  79.         $response->setContent($content);        
  80.         $event->setResponse($response);
  81.     }
  83.     public function logException(ExceptionEvent $event): void
  84.     {
  85.         // ...
  86.     }
  88.     public function notifyException(ExceptionEvent $event): void
  89.     {
  90.         // ...
  91.     }
  92. }