WordPress | ACF | Dashboard | Custom columns | Order

acf_order.php

<?php
// Useful during dev to show order number of fields within acf dashboard list
function acf_field_group_columns($columns) {
    $columns['menu_order'] = __('Order');
    return $columns;
  } // end function reference_columns
  add_filter('manage_edit-acf-field-group_columns', 'acf_field_group_columns', 20);

  function acf_field_group_columns_content($column, $post_id) {
    switch ($column) {
        case 'menu_order':
            global $post;
            echo $post->menu_order;
            break;
        default:
            break;
    } // end switch
  } // end function reference_columns_content
  add_action('manage_acf-field-group_posts_custom_column', 'acf_field_group_columns_content', 20, 2);
?>