Iterating through structure field

<?php if ($items = $page->items()->toStructure()): ?>
  <ul>
    <?php foreach ($items as $item): ?>
      <li>
        <strong>Order:</strong> <?= $item->order() ?><br>
        <strong>Title:</strong> <?= $item->title() ?>
      </li>
    <?php endforeach; ?>
  </ul>
<?php endif; ?>