FIX-305: Fix global USER change during text filtering.

michael-milette · Oct 8, 2024 · 0f9e128 · 0f9e128
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commit 0f9e128
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diff --git a/README.md b/README.md
@@ -1535,6 +1535,7 @@ Michael Milette - Author and Lead Developer
 
 Big thank you to the following contributors. (Please let me know if I forgot to include you in the list):
 
+* golenkovm (Micha Golenkov): FIx global USER change during text filtering (2024).
 * 28Smiles (Leon Camus): Bug fix for {qrcode} and {urlencode} tags (2024).
 * 28Smiles (Leon Camus): New {ifingouping} tag (2024).
 * 28Smiles (Leon Camus): New {ifnotingrouping} tag (2024).

diff --git 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');