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php生成随机密码的自定义函数(转载分享)

Jun 06, 2016 pm 07:44 PM
phponefunctionsharepasswordgeneratecustomizerandom

生成一个随机密码的函数,生成的密码为小写字母与数字的随机字符串,长度可自定义。 复制代码 代码如下: ?php /* * php自动生成新密码自定义函数(带实例演示) 适用环境: PHP5.2.x /mysql5.0.x 代码作者: xujiajay 联系方式: xujiaphp@gmail.com * */ fu

生成一个随机密码的函数,生成的密码为小写字母与数字的随机字符串,长度可自定义。
 

复制代码代码如下:

/*
 * php自动生成新密码自定义函数(带实例演示)
      适用环境: PHP5.2.x  / mysql 5.0.x
       代码作者: xujiajay
       联系方式: xujiaphp@gmail.com
* */
function genPassword($min = 5, $max = 8)  
{  
    $validchars="abcdefghijklmnopqrstuvwxyz123456789";  
    $max_char=strlen($validchars)-1;  
    $length=mt_rand($min,$max);  
    $password = "";  
    for($i=0;$i    {  
        $password.=$validchars[mt_rand(0,$max_char)];  
    }  
        return $password;  
    }  
    echo "新密码:".genPassword()."
";  
    echo "新密码:".genPassword(5,10)."
";
?>


查看原文:php生成随机密码的自定义函数

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