PHP产生随机字符串函数
author:一佰互联 2019-05-01 click:144
<?php /**
* 产生随机字符串
*
* 产生一个指定长度的随机字符串,并返回给用户
*
* @access public
* @param int $len 产生字符串的位数
* @return string
*/
function randStr($len=6) {
$chars="ABDEFGHJKLMNPQRSTVWXYabdefghijkmnpqrstvwxy23456789#%*"; // characters to build the password from
mt_srand((double)microtime()*1000000*getmypid()); // seed the random number generater (must be done)
$password="";
while(strlen($password)<$len)
$password.=substr($chars,(mt_rand()%strlen($chars)),1);
return $password;
} ?>