PHP generates random password (php custom function) transferred from Pioneer Tutorial Network-php手册-php.cn

PHP generates random password (php custom function) transferred from Pioneer Tutorial Network

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Release： 2016-09-15 11:14:40

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php generates random password (php custom function)

: Time: 2015-12-16 20:43:49 Source: Internet

Introduction: PHP random password generation code, use PHP custom function to generate a random password of specified length. The password rules are a random string of lowercase letters and numbers, and the length can be customized.

A function that generates a random password. The password is a random string of lowercase letters and numbers. The length can be customized.

Copy the codeThe code is as follows:

/*
 * php automatically generates new password custom function (with example demonstration) 
 Applicable environment: PHP5.2.x / mysql 5.0.x
 Code author: xujiajay
 Contact information: 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 "New password:".genPassword()."
"; 
 echo "New password:".genPassword(5,10)."
";
?> ;

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PHP generates random password (php custom function) transferred from Pioneer Tutorial Network

php generates random password (php custom function)

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