php遍历汉字字符串
| 1 2 3 4 5 6 7 8 9 10 11 12 | //php逐个汉字遍历字符串: 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); } |