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  • Thank you jarvis and John Huebner,
    in my case I prefer the jarvis’s solution because directly in template file I can apply the both query quickly!

    https://drive.google.com/file/d/1nQlxM8UZVU3uGwjZlRFlqnwmZoAUO4oC/view?usp=sharing

  • @hube2
    Solved with your help, today I did the function I needed! Thanks!
    I write a piece, maybe someone can help.
    The function takes the title of a post-type related to products (woocommerce) and inserts this title as a woocommerce attribute when save_post action !

    
add_action('acf/save_post', 'update_post_meta', 20); 
	
function update_post_meta( $post_id ) { 
		
$post_type = get_post_type($post_id);
		
global $product; 
if ( 'product' == $post_type ) {
					
//TAKE RELATED INFO IN POST TYPE 
$posts = get_field('serie_di_appartenenza');
if( $posts ): 
foreach( $posts as $p ):
$scrittore=get_field("scrittore_appartenenza", $p->ID); 
if( $posts ): 
foreach( $scrittore as $s ): 
$scrittore_ereditato= get_the_title( $s->ID );
	
//ADD INFO IN GLOBAL ATTRIBUTE WOOCOMMERCE				
$term_taxonomy_ids = wp_set_object_terms( $post_id, $scrittore_ereditato, 'pa_scrittore-woo', true );
					
endforeach;
endif; 
endforeach;
endif; 

//ADD INFO IN CURRENT POST

$data = Array(

'pa_scrittore-woo'=>Array( 
'name'=>'pa_scrittore-woo', 
'value'=>$scrittore_ereditato,
'is_visible' => '1',
'is_variation' => '1',
'is_taxonomy' => '1'
),
);

//UPDATE META					
update_post_meta( $post_id, '_product_attributes',$data);
					
}
}

  • Auto Solved 🙂
    This is the code that can serve others if they have the same problem

    
<?php 

//take relationship field of this doctor
		
$location= get_field('location');
 if( $location):
 foreach( $location as $l ):
		
//array of post type doctor and take the post with key location and compare with the ID of location of this doctor $l->ID

		$doctors = get_posts(array(
		'post_type' => 'doctor',
		'posts_per_page' => '-1',
		'post__not_in' => [get_queried_object_id()],
		'meta_query' => array(
		array(
		'key' => 'location', // name of custom field
		'value' => $l->ID, // the ID of this doctor
		'compare' => 'LIKE'
		)
		)
		)); 
		
	?>

	<?php if( $doctors ): ?>
	<?php foreach( $doctors as $doctor ): ?>

//
	
<div class="col-md-2">						
 <a href="<?php echo get_permalink( $doctor->ID ); ?>">

   <img src="<?php echo get_the_post_thumbnail_url( $doctor->ID ); ?>">
   <h2><?php echo get_the_title( $doctor->ID ); ?></h2>
</a> 
</div>
	<?php endforeach; ?> //second foreach
	
	<?php endif; ?> //second if
	
	<?php endforeach; ?> //first foreach
	
	<?php endif; ?> //first if

  • Yes, it works !
    Thanks!

  • Got it. Thank you!
    But it would be logical to create a group of fields that are used for different templates and if I have a template that I do not want the fields -1 to be able to do it quickly, without me having to redo the same fields just to exclude one.

  • I resolved the problem adding a new custom post type called ANNO and 1 relationship field called anno_issue from year to issue_number.
    The code is this for query :

    ` <?php

    // args
    $args = array(
    ‘numberposts’ => -1,
    ‘post_type’ => ‘anno’,
    ‘posts_per_page’ => 100,
    );

    // query
    $the_query = new WP_Query( $args );

    ?>

    <?php while( $the_query->have_posts() ) : $the_query->the_post();
    mh_before_page_content();
    mh_magazine_page_title();?>

    <?php

    /*
    * Query posts for a relationship value.
    * This method uses the meta_query LIKE to match the string “123” to the database value a:1:{i:0;s:3:”123″;} (serialized array)
    */

    $posts = get_posts(array(
    ‘post_type’ => ‘issue_number’, //nome post type da dove recupero le info
    ‘posts_per_page’ => -1,
    ‘meta_query’ => array(
    array(
    ‘key’ => ‘anno_issue’, // nome custom field all’interno di post che mi da l’info
    ‘value’ => ‘”‘ . get_the_ID() . ‘”‘, // matches exaclty “123”, not just 123. This prevents a match for “1234”
    ‘compare’ => ‘LIKE’
    )
    )
    ));

    ?>
    <?php /*ciclo stampa articoli */ ?>
    <?php if( $posts ): ?>

    <?php foreach( $posts as $post ): ?>
    <?php /*layout 1 del tema per articoli */ ?>
    <article >

    —HTML CODE DISPLAYNG YOUR LOOP—
    </article>
    <?php /*fine layout 1 */ ?>
    <?php endforeach; ?>

    <?php endif; ?>

    <?php /*fine ciclo stampa articoli */ ?>

    <?php endwhile; // end of the loop. ?>

  • Thanks James…I solved the problem !

    You must obviously change according to your needs!

    Thanks

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