From 390245a4aa20a5f274b1f4b28bed64ee160fbb81 Mon Sep 17 00:00:00 2001
From: COil <vernet.loic@gmail.com>
Date: Tue, 10 Oct 2023 21:37:03 +0200
Subject: [PATCH] fix(php): fixed mb_convert_encoding deprecation

---
 src/Twig/Extension/MarkdownExtension.php | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/Twig/Extension/MarkdownExtension.php b/src/Twig/Extension/MarkdownExtension.php
index 189f80f..98dd584 100644
--- a/src/Twig/Extension/MarkdownExtension.php
+++ b/src/Twig/Extension/MarkdownExtension.php
@@ -18,11 +18,13 @@ public function getFilters(): array
 
     /**
      * Add the "att" attributes on all links to have the tooltips.
+     *
+     * @see https://www.drupal.org/project/smart_trim/issues/3342481#comment-14982548
      */
     public function addAttAttributes(string $html): string
     {
         $dom = new \DOMDocument();
-        $dom->loadHTML(mb_convert_encoding($html, 'HTML-ENTITIES', 'UTF-8'), LIBXML_HTML_NOIMPLIED | LIBXML_HTML_NODEFDTD);
+        $dom->loadHTML(mb_encode_numericentity($html, [0x80, 0x10FFFF, 0, ~0], 'UTF-8'));
         $aTags = $dom->getElementsByTagName('a');
         foreach ($aTags as $aTag) {
             $aTag->setAttribute('att', '');