find($id); if ($bookmark === null) { respondAndExit(404, 'Not Found'); } $bookmark->url = $_POST['url']; $bookmark->title = $_POST['title']; $bookmark->tag = $_POST['tag']; if (!$bookmarks->update($bookmark)) { respondAndExit(500, 'Internal Server Error'); } $session->set('message', 'Bookmark Updated'); redirectAndExit('/');