From 3cc8b355c2464c2f2867bffd6af4a0216f068dd8 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Fri, 15 Sep 2006 06:16:35 +0000
Subject: [PATCH] Fixed a notice when course->modinfo is empty

---
 lib/datalib.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/lib/datalib.php b/lib/datalib.php
index b2de1936b1..a56e3e1e1a 100644
--- a/lib/datalib.php
+++ b/lib/datalib.php
@@ -1112,7 +1112,10 @@ function get_all_instances_in_course($modulename, $course) {
 
     global $CFG;
 
-/// Casting $course->modinfo to string prevents one notice when the field is null
+    if (empty($course->modinfo)) {
+        return array();
+    }
+
     if (!$modinfo = unserialize((string)$course->modinfo)) {
         return array();
     }
-- 
2.39.5