$article->setVersionUserId($user);
                $article->setVersionTimestamp(new DateTime());
                $article->setVersion(1);

public function article_edit($action, Request $request)
        {
    $form = $this->createForm(ArticleType::class);

        // Customize the form
        $form->remove("versionTimestamp");
        $form->remove("versionUserId");
        $form->remove("version");
        $form->add('save', SubmitType::class, ['label' => 'Zapisz']);

        $form->handleRequest($request);

        if ($form->isSubmitted() && $form->isValid()) {
        $article = $form->getData();
            /*
                $article->setVersionUserId($user);
                $article->setVersionTimestamp(new DateTime());
                $article->setVersion(1);
            */
/.../