post = $form_model->getItem('post'); $model->username = $form_model->getItem('username'); if ($model->save()){ return $model; } return false; } public function update(FormModel $form_model, Post $post): false|Post { $post->post = $form_model->getItem('post'); $post->username = $form_model->getItem('username'); if ($post->save()){ return $post; } return false; } }