first commit

wp-content/plugins/woocommerce-pdf-invoices-packing-slips/ubl/Collections/OrderCollection.php

@@ -0,0 +1,15 @@
+<?php
+
+namespace WPO\WC\UBL\Collections;
+
+if ( ! defined( 'ABSPATH' ) ) {
+	exit; // Exit if accessed directly
+}
+
+class OrderCollection extends Collection {
+	
+	public function add_order( Order $order ) {
+		$this->items[] = $order;
+	}
+	
+}