Merge pull request #887 from darthf1/patch-1

Use yaml const to not create a deprecation message

Author: soyuka

core/errors.md

@@ -75,7 +75,7 @@ api_platform:
     exception_to_status:
         # The 4 following handlers are registered by default, keep those lines to prevent unexpected side effects
         Symfony\Component\Serializer\Exception\ExceptionInterface: 400 # Use a raw status code (recommended)
-        ApiPlatform\Core\Exception\InvalidArgumentException: 'HTTP_BAD_REQUEST' # Or a `Symfony\Component\HttpFoundation\Response`'s constant
+        ApiPlatform\Core\Exception\InvalidArgumentException: !php/const Symfony\Component\HttpFoundation\Response::HTTP_BAD_REQUEST
         ApiPlatform\Core\Exception\FilterValidationException: 400
         Doctrine\ORM\OptimisticLockException: 409