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acf value from cpt not showing on category.php

  • Hello I’m not able to use acf value from cpt or category on my category.php

    
    <?php
    $current_category = get_queried_object();
    $cat_id = $current_category->term_id;
    
    $query = new WP_Query( 
      array( 
        'posts_per_page'  => -1,
        'post_type'       => 'lifte', // you can change it according to your custom post type
        'cat'             => $cat_id ,
      ) 
    );
    if ( $query->have_posts() ) :
        while ( $query->have_posts() ) : 
            $query->the_post();
            $technical_data = get_field('technicalData') ;
            the_title();
            echo $technical_data['drivingForce'];
        endwhile; 
        wp_reset_postdata(); 
    endif; 
    
    ?>

    I get this error “Warning: Illegal string offset ‘drivingForce’ ”

    What is wrong?

  • What kind of field is technicalData, are you sure the name is correct? I’m guessing that its a group field(?)

    
    $technical_data = get_field('technicalData') ;
    var_dump($technical_data);
    
  • Yes it is a group field

    It was a conflict with this code when I deleted this it works fine.

    
    function ringstedlift_add_custom_types( $query ) {
       if( is_category() || is_tag() && empty( $query->query_vars['suppress_filters'] ) ) {
         $query->set( 'post_type', array(
          'post', 'nav_menu_item', 'lifte',
     		));
     	  return $query;
     	}
    }
    add_filter( 'pre_get_posts', 'ringstedlift_add_custom_types' );
    
  • The problem is that you are filtering queries with that filter that you do not want to query.

    
    if (!$query->is_main_query()) {
      return;
    }
    

    you may also need to test for other things.

  • I have dropped this code because I have chosen to make a custom category.php

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