下面代码包括了含有中文汉字的字符.
function str2arr($str){ $length = mb_strlen($str, 'utf-8'); $array = []; for ($i=0; $i<$length; $i++) $array[] = mb_substr($str, $i, 1, 'utf-8'); return $array;}
来源: http://www.bubuko.com/infodetail-2641029.html