From ccbb6bd37ea7a961db382355a0a32d65716b83b8 Mon Sep 17 00:00:00 2001
From: Matthias Opitz <m.opitz@ucl.ac.uk>
Date: Thu, 2 Nov 2023 12:13:45 +0000
Subject: [PATCH] MDL-79988 course: checking for cached empty modnames

Check if empty modnames have been cached and if so retrieve them again.
---
 course/lib.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/course/lib.php b/course/lib.php
index 67c56595351..60d2adea149 100644
--- a/course/lib.php
+++ b/course/lib.php
@@ -399,7 +399,7 @@ function course_integrity_check($courseid, $rawmods = null, $sections = null, $f
 function get_module_types_names($plural = false, $resetcache = false) {
     static $modnames = null;
     global $DB, $CFG;
-    if ($modnames === null || $resetcache) {
+    if ($modnames === null || empty($modnames[0]) || $resetcache) {
         $modnames = array(0 => array(), 1 => array());
         if ($allmods = $DB->get_records("modules")) {
             foreach ($allmods as $mod) {