php generates 12 digit random password

This article mainly introduces. Interested friends can refer to php to generate a 12-digit random password. I hope it will be helpful to everyone.

php generates a random password, which is convenient and fast, and can randomly generate safe and reliable passwords.

Share the code as follows

<?php

header("Content-type:text/html;charset=utf-8");

function getRandPass($length = 6){
 $password = &#39;&#39;;
 //将你想要的字符添加到下面字符串中，默认是数字0-9和26个英文字母
 $chars = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ"; 
 $char_len = strlen($chars); 
 for($i=0;$i<$length;$i++){
 $loop = mt_rand(0, ($char_len-1));
 //将这个字符串当作一个数组，随机取出一个字符，并循环拼接成你需要的位数
 $password .= $chars[$loop];
 }
 return $password;
}
echo getRandPass(12); //随机生成一个12位数的密码

?>

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