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Custom function to generate random password in php_PHP tutorial

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Release: 2016-07-13 17:17:23
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A function that generates a random password. The generated password is a random string of lowercase letters and numbers, with a customizable length.

/*
 * 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 www.jbxue.com
       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;$i<$length;$i )  
    {  
        $password.=$validchars[mt_rand(0,$max_char)];  
    }  
        return $password;  
    }  
    echo "新密码:".genPassword()."<br-->";  
    echo "新密码:".genPassword(5,10)."
";
?>
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www.bkjia.comtruehttp: //www.bkjia.com/PHPjc/625811.htmlTechArticleA function that generates a random password. The generated password is a random string of lowercase letters and numbers. The length can be customized. . /* * PHP automatically generates a new password custom function (with example demonstration)...
source:php.cn
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