PHP生成一个六位数的邀请码 $unique_no = substr(base_convert(md5(uniqid(md5(microtime(true)),true)), 16, 10), 0, 6); 相关文章: 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2022-12-23 2021-05-25 2022-01-17