From d53145491023f421aeb85c457a1f0b26c5d83e7c Mon Sep 17 00:00:00 2001
From: Misha Golenkov <mikhailgolenkov@catalyst-au.net>
Date: Fri, 30 Aug 2024 17:44:34 +1000
Subject: [PATCH] FIX-305: Fix global USER change during text filtering.

---
 classes/text_filter.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/text_filter.php b/classes/text_filter.php
index 095ee3b..9a167e3 100644
--- a/classes/text_filter.php
+++ b/classes/text_filter.php
@@ -2379,7 +2379,7 @@ function ($matches) use ($now) {
 
         // Substitutions.
 
-        $u = $USER;
+        $u = clone $USER;
         if (!isloggedin() || isguestuser()) {
             $u->firstname = get_string('defaultfirstname', 'filter_filtercodes');
             $u->lastname = get_string('defaultsurname', 'filter_filtercodes');