php实现随机生成易于记忆的密码_PHP教程

php实现随机生成易于记忆的密码

2020-09-30 16:37企鹅不笨 PHP教程

这篇文章主要介绍了php实现随机生成易于记忆的密码,实例分析了php生成随机密码的相关技巧,需要的朋友可以参考下

本文实例讲述了php实现随机生成易于记忆的密码。分享给大家供大家参考。具体实现方法如下：

这里通过预定义一些单词，让php随机从这些单词中选择进行组合生成密码

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									function random_readable_pwd($length=10){

									  // the wordlist from which the password gets generated 

									  // (change them as you like)

									  $words = 'dog,cat,sheep,sun,sky,red,ball,happy,ice,';

									  $words .= 'green,blue,music,movies,radio,green,turbo,';

									  $words .= 'mouse,computer,paper,water,fire,storm,chicken,';

									  $words .= 'boot,freedom,white,nice,player,small,eyes,';

									  $words .= 'path,kid,box,black,flower,ping,pong,smile,';

									  $words .= 'coffee,colors,rainbow,plus,king,tv,ring';

									  // Split by ",":

									  $words = explode(',', $words);

									  if (count($words) == 0){ die('Wordlist is empty!'); }

									  // Add words while password is smaller than the given length

									  $pwd = '';

									  while (strlen($pwd) < $length){

									    $r = mt_rand(0, count($words)-1);

									    $pwd .= $words[$r];

									  }

									  // append a number at the end if length > 2 and

									  // reduce the password size to $length

									  $num = mt_rand(1, 99);

									  if ($length > 2){

									    $pwd = substr($pwd,0,$length-strlen($num)).$num;

									  } else { 

									    $pwd = substr($pwd, 0, $length);

									  }

									  return $pwd;

									}

									//使用范例：

									random_readable_pwd(10) => returns something like: pingwater6, radiohap28, sunwhite84, happykid44, etc...