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Change ExceptionListener to ErrorListener #13335

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Change ExceptionListener to ErrorListener #13335

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8 changes: 4 additions & 4 deletions create_framework/http_kernel_httpkernel_class.rst
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Expand Up @@ -66,22 +66,22 @@ framework: it matches the incoming request and populates the request
attributes with route parameters.

Our code is now much more concise and surprisingly more robust and more
powerful than ever. For instance, use the built-in ``ExceptionListener`` to
powerful than ever. For instance, use the built-in ``ErrorListener`` to
make your error management configurable::

$errorHandler = function (Symfony\Component\ErrorHandler\Exception\FlattenException $exception) {
$msg = 'Something went wrong! ('.$exception->getMessage().')';

return new Response($msg, $exception->getStatusCode());
};
$dispatcher->addSubscriber(new HttpKernel\EventListener\ExceptionListener($errorHandler));
$dispatcher->addSubscriber(new HttpKernel\EventListener\ErrorListener($errorHandler));

``ExceptionListener`` gives you a ``FlattenException`` instance instead of the
``ErrorListener`` gives you a ``FlattenException`` instance instead of the
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now it gives you a FlattenException instance if it's typehined as such in your controller or if the exception argument is not typed at all, otherwise it will give you a \Throwable instance.

thrown ``Exception`` or ``Error`` instance to ease exception manipulation and
display. It can take any valid controller as an exception handler, so you can
create an ErrorController class instead of using a Closure::

$listener = new HttpKernel\EventListener\ExceptionListener(
$listener = new HttpKernel\EventListener\ErrorListener(
'Calendar\Controller\ErrorController::exception'
);
$dispatcher->addSubscriber($listener);
Expand Down