public function passwordAction()
 {
     if ($this->getRequest()->isPost()) {
         $input_password = md5($this->getRequest()->post('oldpassword'));
         $pass = User::checkPassword($input_password);
         $old_password = $pass->user_password;
         $user = new User();
         if ($old_password == $input_password) {
             $user->password = md5($this->getRequest()->post('newpassword'));
             $user->updatePassword();
         }
     }
     return $this->render('password.html', ['flush' => 'vse ok']);
 }