<?php $ids = get_field('pop_product', false, false);
query_posts(array('post_type' => array('product'), 'posts_per_page' => 4, 'post__in' => $ids, 'post_status' => 'any',));
if (have_posts()) {
while (have_posts()) {
the_post(); ?>
<div class="popular_product">
<a href="<?php the_permalink(); ?>">
<?php the_post_thumbnail('post-thumb'); ?>
</a>
<div>
<a href="<?php the_permalink(); ?>">
<?php the_title(); ?>
</a>
</div>
</div>
<?php } } wp_reset_query(); ?>