{% if post or content_rows %}

{% set content_rows = content_rows|default(post.get_field("page_builder")) %}

{% if content_rows is not empty %}
<section class="pb-rows">
  {% for row in content_rows %}
    {% set layout = row.acf_fc_layout %}
    {% include 'page-builder/'~layout~'.twig' ignore missing with { 'post': row, 'first': loop.first, 'last': loop.last } only %}
  {% endfor %}
</section>
{% endif %}
{% endif %}