fix handling of media range results in the format negotiation (fixes #631)

Author: lsmith77

Util/FormatNegotiator.php

@@ -15,6 +15,7 @@
 use Symfony\Component\HttpFoundation\RequestMatcherInterface;
 
 use Negotiation\FormatNegotiator as BaseFormatNegotiator;
+use Negotiation\AcceptHeader;
 
 class FormatNegotiator implements MediaTypeNegotiatorInterface
 {
@@ -96,7 +97,7 @@ public function getBestMediaType(Request $request)
 
             $mimeTypes = $this->formatNegotiator->normalizePriorities($options['priorities']);
             $mediaType = $this->formatNegotiator->getBest($acceptHeader, $mimeTypes);
-            if (null !== $mediaType) {
+            if (!$mediaType instanceof AcceptHeader || !$mediaType->isMediaRange()) {
                 return $mediaType->getValue();
             }
 

composer.json

@@ -25,7 +25,7 @@
         "php":                            ">=5.3.2",
         "symfony/framework-bundle":       "~2.2",
         "doctrine/inflector":             "1.0.*",
-        "willdurand/negotiation":         "~1.1.0"
+        "willdurand/negotiation":         "~1.2.0"
     },
 
     "require-dev": {