- /**
- *
- * 产生随机字符串,不长于32位
- * @param int $length
- * @return 产生的随机字符串
- */
- public static
- function getNonceStr($length = 32) {
- $chars = "abcdefghijklmnopqrstuvwxyz0123456789";
- $str = "";
- for ($i = 0; $i < $length; $i++) {
- $str. = substr($chars, mt_rand(0, strlen($chars) - 1), 1);
- }
- return $str;
- }
来源: http://www.bubuko.com/infodetail-1858394.html