Merge pull request #448 from flavioheleno/original-lib

Proper API Version handling for FB's URLs

Author: elliotchance

src/OAuth/OAuth2/Service/Facebook.php

@@ -169,7 +169,7 @@ protected function parseAccessTokenResponse($responseBody)
 
         $token = new StdOAuth2Token();
         $token->setAccessToken($data['access_token']);
-        
+
         if (isset($data['expires'])) {
             $token->setLifeTime($data['expires']);
         }
@@ -198,6 +198,14 @@ public function getDialogUri($dialogPath, array $parameters)
         return new Uri($baseUrl . '?' . $query);
     }
 
+    /**
+     * {@inheritdoc}
+     */
+    protected function getApiVersionString()
+    {
+        return empty($this->apiVersion) ? '' : '/v' . $this->apiVersion;
+    }
+
     /**
      * {@inheritdoc}
      */