Make order item object key in foreach loop

The key is useful for functions that require $item_id. For instance, $order->get_qty_refunded_for_item($item_id) to get refunded qty for an item.

Author: bucketpress

woocommerce-delivery-notes/templates/print-order/print-content.php

@@ -104,7 +104,7 @@
 
 				if ( count( $order->get_items() ) > 0 ) :
 					?>
-					<?php foreach ( $order->get_items() as $item ) : ?>
+					<?php foreach ( $order->get_items() as $item_id => $item ) : ?>
 
 						<?php