Online PHP editor | refs for Ss9Jl

<?php function str_split_unicode($str, $l = 0) { if ($l > 0) { $ret = array(); $len = mb_strlen($str, "UTF-8"); for ($i = 0; $i < $len; $i += $l) { $ret[] = mb_substr($str, $i, $l, "UTF-8"); } return $ret; } return preg_split("//u", $str, -1, PREG_SPLIT_NO_EMPTY); } $s = '中华人民abc共和\x01国'; echo $s; print_r(str_split_unicode($s)); print_r(str_split_unicode($s, 3)); for($i =0 ; $i < length($s) ; $i++) {echo $sub_str = mb_substr($s, $i, 1);}