Symfony Profiler

<?php
namespace App\EventListener;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\HttpKernel\Event\ExceptionEvent;
use Symfony\Component\HttpKernel\Event\RequestEvent;
use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface;
class MyEventListener
{
public function onKernelException(ExceptionEvent $event)
{
// You get the exception object from the received event
$exception = $event->getThrowable();
$message = $this->TestBlockHTML ($exception->getMessage());
/*
sprintf(
'My Error says: %s with code: %s',
$exception->getMessage(),
$exception->getCode()
);
*/
// Customize your response object to display the exception details
$response = new Response();
$response->setContent($message);
// HttpExceptionInterface is a special type of exception that
// holds status code and header details
if ($exception instanceof HttpExceptionInterface) {
$response->setStatusCode($exception->getStatusCode());
$response->headers->replace($exception->getHeaders());
} else {
$response->setStatusCode(Response::HTTP_INTERNAL_SERVER_ERROR);
}
// sends the modified response object to the event
$event->setResponse($response);
}
public function onKernelRequest(RequestEvent $event) {
}
public function onKernelRequestBlocker(RequestEvent $event) {
}
protected function TestBlockHTML ($replStr) {
return <<<HTML
<html>
<body><h1>{$replStr}</h1>
</body>
</html>
HTML;
}
}