Matriz de metabox
<?php
$args = array(
'post_type' => array( 'photo' )
);
// The Query
$the_query = new WP_Query( $args );
// The Loop
if ( $the_query->have_posts() ) {
echo '<ul>';
while ( $the_query->have_posts() ) {
$the_query->the_post();
echo '<li>' . get_the_title() . '</li>';
$images = rwmb_meta( 'my_field_id', ['size' => 'thumbnail'], get_the_ID() ); ?>
<h3>Uploaded images</h3>
<ul>
<?php foreach ( $images as $image ) : ?>
<li><img src="<?= $image['url']; ?>"></li>
<?php endforeach ?>
</ul>
<?php
}
echo '</ul>';
} else {
// no posts found
}
/* Restore original Post Data */
wp_reset_postdata();
Juan Jose Gonzalez