PHPフレームワークMakoで、ユーザーパスワードの変更

use mako\security\Password;
use \app\models\User;

$password = Password::hash($password);

$user = $this->gatekeeper->getUser();
if ($user) {
  $user = User::get($id);
  $user->password = $password;
  $user->save();
}