[HttpFoundation] fix not sending Content-Type header for 204 responses

symfony · Feb 13, 2020 · e868336 · e868336
1 parent e87b599
commit e868336
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/src/Symfony/Component/HttpFoundation/Response.php b/src/Symfony/Component/HttpFoundation/Response.php
@@ -267,10 +267,12 @@ public function prepare(Request $request)
             $this->setContent(null);
             $headers->remove('Content-Type');
             $headers->remove('Content-Length');
+            // prevent PHP from sending the Content-Type header based on default_mimetype
+            ini_set('default_mimetype', '');
         } else {
             // Content-type based on the Request
             if (!$headers->has('Content-Type')) {
-                $format = $request->getPreferredFormat();
+                $format = $request->getPreferredFormat(null);
                 if (null !== $format && $mimeType = $request->getMimeType($format)) {
                     $headers->set('Content-Type', $mimeType);
                 }