Fix PHP Stan and PHP MD

src/Controller/BrowserController.php

@@ -26,6 +26,7 @@
 use MonsieurBiz\SyliusMediaManagerPlugin\Exception\InvalidTypeException;
 use MonsieurBiz\SyliusMediaManagerPlugin\Helper\FileHelperInterface;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
+use Symfony\Component\HttpFoundation\File\UploadedFile;
 use Symfony\Component\HttpFoundation\JsonResponse;
 use Symfony\Component\HttpFoundation\Request;
 use Symfony\Component\HttpFoundation\Response;
@@ -90,6 +91,9 @@ public function chooseAction(
         return new JsonResponse(['path' => $fileHelper->cleanPath($path)]);
     }
 
+    /**
+     * @SuppressWarnings(PHPMD.CyclomaticComplexity)
+     */
     public function uploadAction(
         FileHelperInterface $fileHelper,
         Request $request,
@@ -99,7 +103,7 @@ public function uploadAction(
         $folder = (string) $request->request->get('folder', '');
         $file = $request->files->get('file');
 
-        if (null === $file) {
+        if (null === $file || !($file instanceof UploadedFile)) {
             return new JsonResponse([
                 'error' => $translator->trans('monsieurbiz_sylius_media_manager.error.cannot_upload_file'),
             ], Response::HTTP_BAD_REQUEST);

src/Twig/Extension/FilterExtensionDecorator.php

@@ -36,10 +36,10 @@ public function __construct(
     /**
      * Allow us to have multiple data roots for svg images.
      *
-     * @param mixed $path
-     * @param mixed $filter
-     * @param mixed|null $resolver
-     * @param mixed $referenceType
+     * @param string $path
+     * @param string $filter
+     * @param string|null $resolver
+     * @param int $referenceType
      */
     public function filter(
         $path,