Reverse query from different post types associated via ACF relationship field.
<h3>Offices</h3> <?php $offices = get_posts(array( 'post_type' => 'office',//other post type we're getting data from 'meta_query' => array( array( 'key' => 'personnel', //name of custom field from above post type 'value' => '"' . get_the_ID() . '"', 'compare' => 'LIKE' ) ) )); ?> <?php if( $offices ): ?> <?php foreach( $offices as $office ): ?> <p><a href="<?php echo get_permalink( $office->ID ); ?>"> <?php echo get_the_title( $office->ID ); ?> </a></p> <?php endforeach; ?> <?php endif; ?>
Reference Links
https://www.advancedcustomfields.com/resources/querying-relationship-fields/