voku / swiftmailer

lib/classes/Swift/Transport/MailTransport.php

Doc Comments +2 added lines, -2 removed lines

@@ -286,10 +286,10 @@
     /**
      * Return php mail extra params to use for invoker->mail.
      *
-     * @param $extraParams
+     * @param string $extraParams
      * @param $reversePath
      *
-     * @return mixed string|null
+     * @return string|null string|null
      */
     private function _formatExtraParams($extraParams, $reversePath)
     {