Random Password Generator - Printable Version

Code:
&lt;?php  if (!defined('BASEPATH')) exit('No direct script access allowed');





if ( ! function_exists('get_random_password'))

{

    /**

     * Generate a random password. 

     * 

     * get_random_password() will return a random password with length 6-8 of lowercase letters only.

     *

     * @access    public

     * @param    $chars_min the minimum length of password (optional, default 6)

     * @param    $chars_max the maximum length of password (optional, default 8)

     * @param    $use_upper_case boolean use upper case for letters, means stronger password (optional, default false)

     * @param    $include_numbers boolean include numbers, means stronger password (optional, default false)

     * @param    $include_special_chars include special characters, means stronger password (optional, default false)

     *

     * @return    string containing a random password 

     */    

    function get_random_password($chars_min=6, $chars_max=8, $use_upper_case=false, $include_numbers=false, $include_special_chars=false)

    {

        $length = rand($chars_min, $chars_max);

        $selection = 'aeuoyibcdfghjklmnpqrstvwxz';

        if($include_numbers) {

            $selection .= "1234567890";

        }

        if($include_special_chars) {

            $selection .= "!@\"#$%&[]{}?|";

        }

                                

        $password = "";

        for($i=0; $i<$length; $i++) {

            $current_letter = $use_upper_case ? (rand(0,1) ? strtoupper($selection[(rand() % strlen($selection))]) : $selection[(rand() % strlen($selection))]) : $selection[(rand() % strlen($selection))];            

            $password .=  $current_letter;

        }                

        

        return $password;

    }



}