/**
* Get a list of download IDs for a specific item from an order.
*
* @since 2.7.0
* @param WC_Order_Item $item
* @param WC_Order $order
* @return array
*/
public function get_download_ids($item, $order)
{
global $wpdb;
return $wpdb->get_col($wpdb->prepare("SELECT download_id FROM {$wpdb->prefix}woocommerce_downloadable_product_permissions WHERE user_email = %s AND order_key = %s AND product_id = %d ORDER BY permission_id", $order->get_billing_email(), $order->get_order_key(), $item->get_variation_id() ? $item->get_variation_id() : $item->get_product_id()));
}
