/**
* Create unpronounceable password
*
* This method creates a random unpronounceable password
*
* @access private
* @param integer Length of the password
* @param string Character which could be use in the
* unpronounceable password ex : 'ABCDEFG'
* or numeric, alphabetical or alphanumeric.
* @return string Returns the password
*/
private static function _createUnpronounceable($length, $chars)
{
$password = '';
/**
* List of character which could be use in the password
*/
switch ($chars) {
case 'alphanumeric':
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
self::$numberOfPossibleCharacters = 62;
break;
case 'alphabetical':
$chars = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz';
self::$numberOfPossibleCharacters = 52;
break;
case 'numeric':
$chars = '0123456789';
self::$numberOfPossibleCharacters = 10;
break;
case '':
$chars = '_#@%&ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
self::$numberOfPossibleCharacters = 67;
break;
default:
/**
* Some characters shouldn't be used
*/
$chars = trim($chars);
$chars = str_replace(array('+', '|', '$', '^', '/', '\\', ','), '', $chars);
self::$numberOfPossibleCharacters = strlen($chars);
}
/**
* Generate password
*/
for ($i = 0; $i < $length; $i++) {
$num = mt_rand(0, self::$numberOfPossibleCharacters - 1);
$password .= $chars[$num];
}
/**
* Return password
*/
return $password;
}
