support php7 by marco
diff --git a/src/php/lib/Grpc/UnaryCall.php b/src/php/lib/Grpc/UnaryCall.php
index b114b77..a71b05d 100644
--- a/src/php/lib/Grpc/UnaryCall.php
+++ b/src/php/lib/Grpc/UnaryCall.php
@@ -77,6 +77,7 @@
 
         $status = $event->status;
         $this->trailing_metadata = $status->metadata;
+
         return [$this->deserializeResponse($event->message), $status];
     }
 }