Online PHP editor | refs for 0LbBf

<?php $string ='華中六街';var_dump(mb_detect_encoding($string)); var_dump($without = preg_split('/\s+/', $string)); var_dump($with = preg_split('/\s+/u', $string)); var_dump($with == $without); $string ='華中六街'; var_dump(mb_detect_encoding($string)); var_dump($without = preg_split('/\s+/', $string)); var_dump($with = preg_split('/\s+/u', $string)); var_dump($with == $without);