/**
* Create a new Authenticator with the given information.
* (@see serial(), @see secret())
* @param string $serial The serial, same format as serial().
* @param string $secret The secret key, same format as secret().
* @param int $sync sync time in milliseconds (optionnal)
* @return Authenticator the requested Authenticator
*/
public static function factory($serial, $secret, $sync = null)
{
$authenticator = new Authenticator($serial, $secret);
if (!is_null($sync)) {
$authenticator->set_sync($sync);
}
return $authenticator;
}
