- ini_set: documentation ( source)
- setlocale: documentation ( source)
<?php ini_set('default_charset', 'UTF-8');
setlocale(LC_ALL, 'gb_GB');
$str = 'Żółwie tańczą mambo';
echo iconv('UTF-8', 'ASCII//TRANSLIT', $str);
$transliaterator = Transliterator::create('Hex-Any/Java');
echo $transliterator->transliterate($str);