From 9cfbacaece58d6a22a0b67cb84ebf57fdfbee8d0 Mon Sep 17 00:00:00 2001
From: TechhDan <tech.dan2689@gmail.com>
Date: Fri, 11 Dec 2020 13:45:41 -0500
Subject: [PATCH] Fix undefined index notice by verifying variable exists first

---
 OAuth_2/index.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/OAuth_2/index.php b/OAuth_2/index.php
index 5025133..9ca6022 100755
--- a/OAuth_2/index.php
+++ b/OAuth_2/index.php
@@ -33,7 +33,7 @@
     echo "<br /> <a href='" .$refreshTokenPage . "?deleteSession=true'>
           Clean Session
     </a> <br />";
-  } else if ($_SESSION['userInfo']) {
+  } else if (!empty($_SESSION['userInfo'])) {
     echo "<h2 style='text-align:center; margin:50px 0'>User information obtained from open id call</h2>";
     echo "<br><h4>Given Name: {$_SESSION['userInfo']['givenName']}</h4>";
     echo "<h4>Family Name: {$_SESSION['userInfo']['familyName']}</h4>";