From 6d8e03039d7a1e4f1211beea3cf32f65d64bc779 Mon Sep 17 00:00:00 2001
From: Yannick Warnier <yannick.warnier@beeznest.com>
Date: Thu, 21 Feb 2013 02:09:51 -0500
Subject: [PATCH] Minor - Added isset to avoid notice

---
 main/auth/external_login/login.ldap.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/main/auth/external_login/login.ldap.php b/main/auth/external_login/login.ldap.php
index 7b1d77f2c8..873c2d6e94 100644
--- a/main/auth/external_login/login.ldap.php
+++ b/main/auth/external_login/login.ldap.php
@@ -71,5 +71,7 @@ if ($ldap_user !== false) {
     error_log('extldap_authenticate error');
     $loginFailed = true;
     $uidReset = false;
-    unset($_user['user_id']);
+    if (isset($_user) && isset($_user['user_id'])) {
+        unset($_user['user_id']);
+    }
 }