In E-Mails Produktlink hinzufügen

/**
 * Adds product link to wc order emails
 */
add_filter( 'woocommerce_order_item_name', 'display_product_title_as_link', 10, 2 );
function display_product_title_as_link( $item_name, $item ) {

$_product = get_product( $item['variation_id'] ? $item['variation_id'] : $item['product_id'] );

$link = get_permalink( $_product->id );

return '<a href="'. $link .'"  rel="nofollow">'. $item_name .'</a>';

}