<?php
echo wc_get_email_order_items( $order, array( // WPCS: XSS ok.
'show_sku' => $sent_to_admin,
'show_image' => true,
'image_size' => array( 100, 100 ),
'plain_text' => $plain_text,
'sent_to_admin' => $sent_to_admin,
) );
?>