Posts output
<?php
$posts = get_field('product-siblings');
if( $posts ): ?>
<div class="item__more">
<div class="item__title title"><span>Другие наборы из этой серии</span></div>
<div class="item__more__carousel">
<?php foreach( $posts as $post): // variable must be called $post (IMPORTANT) ?>
<?php setup_postdata($post); ?>
<a href="<?php the_permalink(); ?>" class="item__more__item" product-id="139">
<img src="/wp-content/uploads/2017/02/freestyle.jpg">
<div class="item-modal__more__name"><?php the_title(); ?></div>
</a>
<?php endforeach; ?>
</div>
</div>
<?php wp_reset_postdata(); // IMPORTANT - reset the $post object so the rest of the page works correctly ?>
<?php endif; ?>