- ini_set: documentation ( source)
- setlocale: documentation ( source)
- iconv: documentation ( source)
<?php ini_set('default_charset', 'UTF-8');
setlocale(LC_ALL, 'gb_GB');
$str = '\u00bf\u00d7\u00f7\u02b9-\u02ff\u2000-\u2bff';
echo iconv('UTF-8', 'ASCII//TRANSLIT', $str);
$transliaterator = Transliterator::create('Hex-Any/Java');
echo $transliterator->transliterate($str);