Reply To: Use post title as default value

• John Huebner

• June 18, 2019 at 1:58 am

add_action('acf/save_post', 'maybe_copy_title_to_field', 20);
function maybe_copy_title_to_field($post_id) {
  $value = get_field('custom_field_name', $post_id);
  if (!$value) {
    $value = get_the_title($post_id);
    update_field('custom_field_name', $value, $post_id);
  }
}