Automatic Password Generation in PHP
Sometimes you need to generate passwords for customers automatically when a new
account is created. This code allows you choose the desired length and strength
for the password and it is very flexible.
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- <?php
- function GeneratePassword($length=8, $strength=0){
- $vowels = 'aeuy';
- $consonants = 'bdghjmnpqrstvz';
- if($strength >= 1) $consonants .= 'BDGHJLMNPQRSTVWXZ';
- if($strength >= 2) $vowels .= 'AEUY';
- if($strength >= 3) $consonants .= '12345';
- if($strength >= 4) $consonants .= '67890';
- if($strength >= 5) $vowels .= '@#$%';
- $password = '';
- $alt = time() % 2;
- for($i = 0; $i < $length; $i++){
- if($alt == 1){
- $password .= $consonants[(rand() % strlen($consonants))];
- $alt = 0;
- }else{
- $password .= $vowels[(rand() % strlen($vowels))];
- $alt = 1;
- }
- }
- return $password;
- }
- ?>