<?php
$posts = get_field('relation');
if( $posts ): ?>
<div class="acf-map">
<?php foreach( $posts as $p ): // variable must NOT be called $post (IMPORTANT)?>
<?php $location = get_field('spot_lieu', $p->ID); ?>
<div class="marker" data-lat="<?php echo $location['lat']; ?>" data-lng="<?php echo $location['lng']; ?>">
<h4><?php echo get_the_title( $p->ID ); ?></h4>
<p class="address"><?php echo $location['address']; ?></p>
<p><?php echo get_the_post_thumbnail($p->ID); ?></p>
</div>
<?php endforeach; ?>
</div>
<ul>
<?php foreach( $posts as $p ): // variable must NOT be called $post (IMPORTANT) ?>
<li>
<a href="<?php echo get_permalink( $p->ID ); ?>"><?php echo get_the_title( $p->ID ); ?></a>
<span><?php the_field('spot_lieu', $p->ID); ?></span>
<p><?php echo get_the_post_thumbnail( $p->ID); ?>
</p>
</li>
<?php endforeach; ?>
</ul>
<?php endif; ?>
