From 659342f6e03d73c71895e79f07f5ecc30a95392e Mon Sep 17 00:00:00 2001
From: Rami Jasim <minecraftmrgold@gmail.com>
Date: Thu, 5 Jun 2025 13:56:57 +0000
Subject: use pathinfo to fetch the extension of a filename, fixes #5636

Closes #5636

Merge request studip/studip!4251
---
 lib/filesystem/FileManager.php | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/lib/filesystem/FileManager.php b/lib/filesystem/FileManager.php
index aafbece..80889c1 100644
--- a/lib/filesystem/FileManager.php
+++ b/lib/filesystem/FileManager.php
@@ -1949,10 +1949,7 @@ class FileManager
 
     public static function getFileIcon($filename, $role = Icon::ROLE_CLICKABLE) {
         $filename = mb_strtolower($filename);
-        $extension = (mb_strrpos($filename, ".") === false)
-            ? $filename
-            : substr($filename, mb_strrpos($filename, ".") + 1);
-        $extension = strtolower($extension);
+        $extension = pathinfo($filename, PATHINFO_EXTENSION);
         switch ($extension){
             case 'rtf':
             case 'doc':
-- 
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