Reply To: Custom Field Not Displaying in Front End

• John Huebner

• April 28, 2016 at 7:47 am

<?php 
  $taxonomy = 'product_cat';
  $queried_object = get_queried_object(); 
  $post_id = $queried_object->ID;
  $terms = wp_get_post_terms($post_id, $taxonomy, array('fields' => 'ids'));
  $term = false;
  
  // find a term that is at the top level this will fail 
  // if no top level terms are assigned to the post
  if (count($terms)) {
    foreach ($terms as $term) {
      if (!$term->parent) {
        // parent is 0 = top level term
        break;
      }
    }
  }
  // the above loop will exit with term = a top level term 
  // or the last term or false if there are no terms 
  // assigned ot the post
  
  // the next section will get the top level term
  // of the first term assigned to this post
  // if the term from the above loop is not
  // a top level term
  if (count($terms) && $term->parent) {
    // parent is not 0 and there are terms
    $term = $terms[0];
    $parent = $term->parent;
    while ($parent != 0) {
      $term = get_term_by('id', $parent, $taxonomy);
      $parent = $term->parent;
    } // end while $parent == 0
  }
  // this section will exit with either
  // a top level term or false
  
  // test for term == false before using it
  if ($term) {
    $image = get_field('products_background_image', $taxonomy . '_' . $term_id);
  }
?>
<div class="catback"<?php 
    if ($image) {
      ?> style="background-image: url('<?php echo $image; ?>');"<?php 
    }
  ?>></div>