From 708160cb4a38c205fa7bbca13d8a8da7580b5e5e Mon Sep 17 00:00:00 2001
From: Paul Holden <paulh@moodle.com>
Date: Wed, 26 Nov 2025 17:12:58 +0000
Subject: [PATCH] MDL-87321 courseformat: explicit empty string check renaming
 module.

---
 course/format/classes/local/cmactions.php | 7 +++----
 1 file changed, 3 insertions(+), 4 deletions(-)

diff --git a/course/format/classes/local/cmactions.php b/course/format/classes/local/cmactions.php
index fe300b1008c..e6a35c0c17e 100644
--- a/course/format/classes/local/cmactions.php
+++ b/course/format/classes/local/cmactions.php
@@ -76,9 +76,10 @@ class cmactions extends baseactions {
         $paramcleaning = empty($CFG->formatstringstriptags) ? PARAM_CLEANHTML : PARAM_TEXT;
         $name = clean_param($name, $paramcleaning);
 
-        if (empty($name)) {
+        if ($name === '') {
             return false;
         }
+
         if (\core_text::strlen($name) > 255) {
             throw new \moodle_exception('maximumchars', 'moodle', '', 255);
         }
@@ -100,10 +101,8 @@ class cmactions extends baseactions {
                 'timemodified' => time(),
             ]
         );
-        $cm->name = $name;
-        $fields = new \stdClass();
-        $fields->name = $name;
 
+        $cm->name = $name;
         \core\event\course_module_updated::create_from_cm($cm)->trigger();
 
         course_modinfo::purge_course_module_cache($cm->course, $cm->id);