Random password example code generated using php

Cryptography is a technique used to obfuscate, which hopes to transform normal (identifiable) information into unrecognizable information. Of course, for a small number of people, this unrecognizable information can be reprocessed and recovered. Password is the general name for "password" in Chinese. The "password" entered when logging into websites, e-mails, and bank withdrawals should strictly speaking be called "passwords" because it is not an "encryption code" in the original sense, but it can also be called a secret number.

This article mainly introduces pure php to generate a 12-digit random password. The generated password is safereliable. Interested friends can refer to

php to generate a random password. Password, convenient and fast, 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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