Reply To: ACF load_value to Gallery Field

• Mulegoat

• January 21, 2020 at 5:55 am

Hi John,

So there’s no more warning, and if I print_r on attachments I get:

Array ( [0] => Array ( [title] => Image 0 [image] => Array ( [attachment_id] => 1653 ) ) [1] => Array ( [title] => Image 1 [image] => Array ( [attachment_id] => 1652 ) ) [2] => Array ( [title] => Image 2 [image] => Array ( [attachment_id] => 1651 ) ) [3] => Array ( [title] => Image 3 [image] => Array ( [attachment_id] => 1650 ) ) [4] => Array ( [title] => Image 4 [image] => Array ( [attachment_id] => 1649 ) ) [5] => Array ( [title] => Image 5 [image] => Array ( [attachment_id] => 1648 ) ) )

It looks like the correct data is being returned but there are still no images loading in gallery field. Just checking that I’ve understood you correctly, this is the ammended snippet:

function build_gallery_from_rs($value, $post_id, $field) {
  if (!empty($value)) {
    // already has a value
    return $value;
  }
  // does not have a value, build value from slider attachments
  global $wpdb;
  $table = $wpdb->prefix . 'new_royalsliders';
  $id = get_field('media_gallery_slider', $post_id, false);
  $slider_data = $wpdb->get_results( $wpdb->prepare("SELECT * FROM $table WHERE id=%d", $id), ARRAY_A );
  
  // Build image array
  //$value = array();
  if ($slider_data) {

    foreach ($slider_data as $slide) {
      $attachments = json_decode($slide['slides'], true);
      //print_r($attachments);
      if ($attachments) {
        foreach ($attachments as $attachment) {
          $value = $attachment['attachment_id'];
        }
      }
    }

  }
  return($value);
  
}

Many thanks again!