From b136ced614e1aedc9a26a825e968f6d450adafb3 Mon Sep 17 00:00:00 2001
From: cicalese <cicalese@mitre.org>
Date: Fri, 7 Feb 2014 18:31:26 -0500
Subject: [PATCH] Check if $_REQUEST["code"] exists

A warning is generated if $_REQUEST["code"] does not exist.
---
 OpenIDConnectClient.php5 | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/OpenIDConnectClient.php5 b/OpenIDConnectClient.php5
index 42fba9e3..f1a97d48 100644
--- a/OpenIDConnectClient.php5
+++ b/OpenIDConnectClient.php5
@@ -125,7 +125,12 @@ class OpenIDConnectClient
      */
     public function authenticate() {
 
-        $code = $_REQUEST["code"];
+        if (array_key_exists("code", $_REQUEST)) {
+            $code = $_REQUEST["code"];
+        } else {
+            $code = null;
+        }
+
 
         // If we have an authorization code then proceed to request a token
         if ($code) {