<?php function slug($str, $limit = null) { if ($limit) { $str = mb_substr($str, 0, $limit, “utf-8”); } $text = html_entity_decode($str, ENT_QUOTES, ‘UTF-8’); // replace non letter or digits by – $text = preg_replace(‘~[^\\pL\d]+~u’, ‘-‘, $text); // trim $text = trim($text, ‘-‘); return $text; }