From c84d86e0b761b517f4d568f75a5bab45f3201a3c Mon Sep 17 00:00:00 2001
From: Andrew Davis <andrew@moodle.com>
Date: Mon, 28 May 2012 08:15:28 +0700
Subject: [PATCH] MDL-30880 grade: added a check for the feedback property
 existing before it is used

---
 grade/edit/tree/grade.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/grade/edit/tree/grade.php b/grade/edit/tree/grade.php
index 0a0c2c5375d..d44b2ca290a 100644
--- a/grade/edit/tree/grade.php
+++ b/grade/edit/tree/grade.php
@@ -171,7 +171,7 @@ if ($mform->is_cancelled()) {
 // form processing
 } else if ($data = $mform->get_data(false)) {
 
-    if (is_array($data->feedback)) {
+    if (isset($data->feedback) && is_array($data->feedback)) {
         $data->feedbackformat = $data->feedback['format'];
         $data->feedback = $data->feedback['text'];
     }