?> </h1> <p><?php echo $article->get_content(); ?> </p> </article> <hr> </section> <section> <h3>Comment</h3> <?php if (!empty($_POST)) { $article->add_comment($_POST['visitor_name'], $_POST['content']); echo 'Your comment has been sucessfully added'; redirectTo('article.php?id=' . $_GET['id'], 2); } ?> <form action="" method="post"> <input type="text" name="visitor_name" placeholder="your name"> <br> <textarea name="content" placeholder="Content"></textarea> <br> <input type="submit"> </form> <hr> </section>