Use ICU Transliterator transliterate feature when available

diff --git a/Utils/Slugger.php b/Utils/Slugger.php
index b3f18e240b5ff87c25fe0929a806044651f0617f..9a33e6dca46b6b780f21411e19b9062f46ed421a 100644 (file)
--- a/Utils/Slugger.php
+++ b/Utils/Slugger.php
@@ -104,6 +104,11 @@ class Slugger {
 
        //Convert string to safe slug
        function slug(string $string): string {
+               //Use Transliterator if available
+               if (class_exists('Transliterator')) {
+                       $trans = Transliterator::create('Any-Latin; Latin-ASCII; Lower()');
+                       return preg_replace(['/[^a-zA-Z0-9\.]+/', '/(^-+|-+$)/', '/\.[^\.]+$/'], ['-', '', ''], $trans->transliterate($string));
+               }
                return preg_replace('/[\/_|+ -]+/', '-', strtolower(trim(preg_replace('/[^a-zA-Z0-9\/_|+ -]/', '', str_replace(['\'', '"'], ' ', iconv('UTF-8', 'ASCII//TRANSLIT', $string))), '-')));
        }
 }