acf looping through post types
<?php
$posts = get_posts(array(
'posts_per_page' => -1,
'post_type' => 'post'
));
if( $posts ): ?>
<ul>
<?php foreach( $posts as $post ):
setup_postdata( $post );
?>
<li>
<a href="<?php the_permalink(); ?>"><?php the_title(); ?></a>
</li>
<?php endforeach; ?>
</ul>
<?php wp_reset_postdata(); ?>
<?php endif; ?>