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Ok, just checked out the code on a demo site I created with your XML file. I’m not sure, but we might forgot to tell WordPress about your post_type => ‘prodotti’ in the query. Could you please check if the following code works for you?
<?php if ( get_field( 'schede_prodotti' ) ): ?>
<table class="product-list simple-list">
<?php while( has_sub_field( 'schede_prodotti' ) ): ?>
<tr>
<td class="title">
<?php
/**
* Get the IDs
*
* Returns an array of the IDs of the posts
* selected using the Relationship field.
*
* @see Screenshot: Change return value from Post Objects to Post IDs
* @var array
*/
$ids = get_sub_field( 'relazione_prodotti' );
// var_dump( $ids ); //uncomment this line to see the $ids getting loadded
/**
* Prepare the get_posts arguments
*
* With the 'orderby' => 'ttile' we accomplish the goal of having the
* products ordered by name instead of drag and drop.
*
* @see http://codex.wordpress.org/Template_Tags/get_posts#Parameters
* @var array
*/
$args = array(
'post__in' => $ids, // Use the ids from above
'order' => 'ASC', // Order
'orderby' => 'title', // Field to order the posts by
'post_type' => 'prodotti' // We might forgot about your post type...
);
/**
* Query the Posts
*
* @var array
*/
$posts = get_posts( $args );
if ( $posts ) :
foreach ( $posts as $post ) : setup_postdata( $post ); ?>
<span><?php the_title(); ?></span><?php
endforeach;
wp_reset_postdata();
endif; // ( $posts )
?>
</td>
<td>
<a href="<?php the_sub_field('scheda_tecnica')?>" class="notifiche" data-tipo="Scheda Tecnica">Scarica la Scheda Tecnica</a>
</td>
<td>
<a href="<?php the_sub_field('scheda_di_sicurezza')?>" class="notifiche" data-tipo="Scheda di Sicurezza">Scarica la Scheda di Sicurezza</a>
</td>
</tr>
<?php endwhile; // has_sub_field( 'schede_prodotti' ) ?>
</table>
<?php endif; // get_field( 'schede_prodotti' ) ?>
You’ll find that I updated two lines:
https://gist.github.com/neverything/6573468#file-acf-php-L17 and the more important one: https://gist.github.com/neverything/6573468#file-acf-php-L32
Please let me know if this works for you and if not, please tell me so I’ll gladly have a look at your WordPress installation. Attached you find a screenshot of the working example table I rendered on my demo site.
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