From a64500ef59a359ff0abc8d1986990f930d5a6e9a Mon Sep 17 00:00:00 2001
From: Huong Nguyen <huongnv13@gmail.com>
Date: Thu, 6 Nov 2025 09:42:11 +0700
Subject: [PATCH] MDL-69226 environment: filter extension required for 4.1

---
 public/admin/environment.xml | 1 +
 1 file changed, 1 insertion(+)

diff --git a/public/admin/environment.xml b/public/admin/environment.xml
index 05f606a32d4..f71376c6cd6 100644
--- a/public/admin/environment.xml
+++ b/public/admin/environment.xml
@@ -3835,6 +3835,7 @@
       <PHP_EXTENSION name="fileinfo" level="required"/>
       <PHP_EXTENSION name="sodium" level="optional"/>
       <PHP_EXTENSION name="exif" level="optional"/>
+      <PHP_EXTENSION name="filter" level="required"/>
     </PHP_EXTENSIONS>
     <PHP_SETTINGS>
       <PHP_SETTING name="memory_limit" value="96M" level="required">