From 2e3adc25b29ebe08db802881208fd611baf453ab Mon Sep 17 00:00:00 2001
From: tjhunt <tjhunt>
Date: Wed, 12 Nov 2008 01:26:49 +0000
Subject: [PATCH] moodlelib: MDL-17208 user preference caching was causing a
 notice.

---
 lib/moodlelib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 9abd124fa0..c6fc0fcee0 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -939,7 +939,7 @@ function check_user_preferences_loaded($time = null) {
     global $USER, $DB;
     static $timenow = null; // Static cache, so we only check up-to-dateness once per request.
 
-    if (!empty($USER->preference)) {
+    if (!empty($USER->preference) && isset($USER->preference['_lastloaded'])) {
         // Already loaded. Are we up to date?
 
         if (is_null($timenow) || (!is_null($time) && $time != $timenow)) {
-- 
2.39.5