From 708d13d159732bdd6dee8182f96d20a12e673ea2 Mon Sep 17 00:00:00 2001
From: moodler <moodler>
Date: Wed, 11 Jul 2007 09:11:44 +0000
Subject: [PATCH] Add some caching to get_list_of_timezones

---
 lib/moodlelib.php | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/lib/moodlelib.php b/lib/moodlelib.php
index 19cd7e9e79..cf3c280850 100644
--- a/lib/moodlelib.php
+++ b/lib/moodlelib.php
@@ -4885,6 +4885,12 @@ function get_list_of_pixnames($lang = '') {
 function get_list_of_timezones() {
     global $CFG;
 
+    static $timezones;
+
+    if (!empty($timezones)) {    // This function has been called recently
+        return $timezones;
+    }
+
     $timezones = array();
 
     if ($rawtimezones = get_records_sql('SELECT MAX(id), name FROM '.$CFG->prefix.'timezone GROUP BY name')) {
-- 
2.39.5