<ul class="<?= implode(' ', $css_classes) ?>" aria-label="<?= htmlReady($title) ?>"> <? foreach ($elements as $index => $element): ?> <li id="<?= htmlReady($index) ?>" <?= !empty($element->active) ? 'class="active"' : '' ?>> <?= $element->render() ?> </li> <? endforeach; ?> </ul>