Kirby CMS breadcrumb

<nav class="breadcrumb" aria-label="breadcrumb">
  <ol>
    <?php foreach($site->breadcrumb() as $crumb): ?>
    <li>
      <a href="<?= $crumb->url() ?>" <?= e($crumb->isActive(), 'aria-current="page"') ?>>
        <?= html($crumb->title()) ?>
      </a>
    </li>
    <?php endforeach ?>
  </ol>
</nav>