fix compat with Symfony 5

phpstan.neon.dist

@@ -89,7 +89,7 @@ parameters:
 			path: %currentWorkingDirectory%/src/Bridge/Symfony/Bundle/Test/ApiTestAssertionsTrait.php
 		-
 			message: '#Service "api_platform.iri_converter" is private\.#'
-			path:  %currentWorkingDirectory%/src/Bridge/Symfony/Bundle/Test/ApiTestCase.php
+			path: %currentWorkingDirectory%/src/Bridge/Symfony/Bundle/Test/ApiTestCase.php
 
 		# Expected, due to optional interfaces
 		- '#Method ApiPlatform\\Core\\Bridge\\Doctrine\\Orm\\Extension\\QueryCollectionExtensionInterface::applyToCollection\(\) invoked with 5 parameters, 3-4 required\.#'
@@ -113,11 +113,22 @@ parameters:
 		-
 			message: '#Class Symfony\\Component\\ErrorHandler\\ErrorRenderer\\ErrorRendererInterface not found\.#'
 			path: %currentWorkingDirectory%/tests/Fixtures/app/AppKernel.php
+		- '#Class Symfony\\Component\\ErrorHandler\\Exception\\FlattenException not found\.#'
+		-
+			message: '#Class Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener not found\.#'
+			path: %currentWorkingDirectory%/src/EventListener/ExceptionListener.php
+		-
+			message: '#Instantiated class Symfony\\Component\\HttpKernel\\EventListener\\ErrorListener not found\.#'
+			path: %currentWorkingDirectory%/src/EventListener/ExceptionListener.php
 		-
 			message: '#Parameter \$exception of method ApiPlatform\\Core\\Action\\ExceptionAction::__invoke\(\) has invalid typehint type Symfony\\Component\\ErrorHandler\\Exception\\FlattenException\.#'
 			path: %currentWorkingDirectory%/src/Action/ExceptionAction.php
 		- '#Call to method get(Class|Headers|StatusCode)\(\) on an unknown class Symfony\\Component\\ErrorHandler\\Exception\\FlattenException\.#'
-		- '#Class Symfony\\Component\\ErrorHandler\\Exception\\FlattenException not found\.#'
+		-
+			message: "#Call to function method_exists\\(\\) with 'Symfony\\\\\\\\Component.+' and 'getThrowable' will always evaluate to false\\.#"
+			paths:
+				- %currentWorkingDirectory%/tests/Bridge/Symfony/Validator/EventListener/ValidationExceptionListenerTest.php
+				- %currentWorkingDirectory%/tests/EventListener/ExceptionListenerTest.php
 		-
 			message: '#Instanceof between bool\|float\|int|null and ArrayObject will always evaluate to false\.#'
 			paths:

src/Bridge/Symfony/Validator/EventListener/ValidationExceptionListener.php

@@ -40,7 +40,7 @@ public function __construct(SerializerInterface $serializer, array $errorFormats
      */
     public function onKernelException(ExceptionEvent $event): void
     {
-        $exception = $event->getException();
+        $exception = method_exists($event, 'getThrowable') ? $event->getThrowable() : $event->getException();
         if (!$exception instanceof ValidationException) {
             return;
         }

src/EventListener/ExceptionListener.php

@@ -16,6 +16,7 @@
 use ApiPlatform\Core\Util\RequestAttributesExtractor;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\HttpKernel\Event\ExceptionEvent;
+use Symfony\Component\HttpKernel\EventListener\ErrorListener;
 use Symfony\Component\HttpKernel\EventListener\ExceptionListener as BaseExceptionListener;
 
 /**
@@ -30,7 +31,11 @@ final class ExceptionListener
 
     public function __construct($controller, LoggerInterface $logger = null, $debug = false)
     {
-        $this->exceptionListener = new BaseExceptionListener($controller, $logger, $debug);
+        if (class_exists(ErrorListener::class)) {
+            $this->exceptionListener = new ErrorListener($controller, $logger, $debug);
+        } else {
+            $this->exceptionListener = new BaseExceptionListener($controller, $logger, $debug);
+        }
     }
 
     public function onKernelException(ExceptionEvent $event): void

tests/Bridge/Symfony/Validator/EventListener/ValidationExceptionListenerTest.php

@@ -31,7 +31,11 @@ class ValidationExceptionListenerTest extends TestCase
     public function testNotValidationException()
     {
         $eventProphecy = $this->prophesize(ExceptionEvent::class);
-        $eventProphecy->getException()->willReturn(new \Exception())->shouldBeCalled();
+        if (method_exists(ExceptionEvent::class, 'getThrowable')) {
+            $eventProphecy->getThrowable()->willReturn(new \Exception())->shouldBeCalled();
+        } else {
+            $eventProphecy->getException()->willReturn(new \Exception())->shouldBeCalled();
+        }
         $eventProphecy->setResponse()->shouldNotBeCalled();
 
         $serializerProphecy = $this->prophesize(SerializerInterface::class);
@@ -46,7 +50,11 @@ public function testValidationException()
         $list = new ConstraintViolationList([]);
 
         $eventProphecy = $this->prophesize(ExceptionEvent::class);
-        $eventProphecy->getException()->willReturn(new ValidationException($list))->shouldBeCalled();
+        if (method_exists(ExceptionEvent::class, 'getThrowable')) {
+            $eventProphecy->getThrowable()->willReturn(new ValidationException($list))->shouldBeCalled();
+        } else {
+            $eventProphecy->getException()->willReturn(new ValidationException($list))->shouldBeCalled();
+        }
         $eventProphecy->getRequest()->willReturn(new Request())->shouldBeCalled();
         $eventProphecy->setResponse(Argument::allOf(
             Argument::type(Response::class),

tests/EventListener/ExceptionListenerTest.php

@@ -36,7 +36,11 @@ public function testOnKernelException(Request $request)
 
         $eventProphecy = $this->prophesize(ExceptionEvent::class);
         $eventProphecy->getRequest()->willReturn($request);
-        $eventProphecy->getException()->willReturn(new \Exception());
+        if (method_exists(ExceptionEvent::class, 'getThrowable')) {
+            $eventProphecy->getThrowable()->willReturn(new \Exception());
+        } else {
+            $eventProphecy->getException()->willReturn(new \Exception());
+        }
         $eventProphecy->getKernel()->willReturn($kernel);
         $eventProphecy->setResponse(Argument::type(Response::class))->shouldBeCalled();