From 8e9b12fefd437f73cdf14fcfccb0dcd5f8a8302e Mon Sep 17 00:00:00 2001
From: Alex Bilbie <hello@alexbilbie.com>
Date: Mon, 6 Apr 2015 08:23:35 +0100
Subject: [PATCH] Code readability

---
 src/Server.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/Server.php b/src/Server.php
index 6b788ee7..5a7bfaa6 100644
--- a/src/Server.php
+++ b/src/Server.php
@@ -111,7 +111,7 @@ class Server extends AbstractServer
         // Run the requested grant type
         $grantType = $request->request->get('grant_type', null);
 
-        if ($grantType === null || !isset($this->enabledGrantTypes[$grantType])) {
+        if ($grantType === null || isset($this->enabledGrantTypes[$grantType]) === false) {
             throw new Exception\InvalidGrantException($grantType);
         }