Add order status to invoice

Hi @hanwt,

Please use below code snippet for latest version.

add_filter('wf_pklist_alter_additional_fields', 'wt_add_order_status_in_invoice', 10, 3);
function wt_add_order_status_in_invoice($extra_fields, $template_type, $order)
{
	$extra_fields['Order status']=$order->get_status();
	return $extra_fields;
}