From e6d10cb7d969b103447bb5b42dd7a39494827061 Mon Sep 17 00:00:00 2001
From: Matthew Hilton <matthewhilton@catalyst-au.net>
Date: Mon, 29 Jul 2024 15:21:49 +1000
Subject: [PATCH] bugfix: remove deprecated function use

---
 classes/local/store/s3/client.php | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/classes/local/store/s3/client.php b/classes/local/store/s3/client.php
index 20f7e301..0309f8c9 100644
--- a/classes/local/store/s3/client.php
+++ b/classes/local/store/s3/client.php
@@ -667,7 +667,7 @@ private function get_nice_filename($headers) {
 
             if (!empty($originalfilename)) {
                 $result['Content-Disposition'] = $contentdisposition;
-                $result['filename'] = 'filename="' . utf8_encode($originalfilename) . '"';
+                $result['filename'] = 'filename="' . mb_convert_encoding($originalfilename, 'ISO-8859-1') . '"';
                 $result['Content-Type'] = $originalcontenttype;
             }
         }