wcml_get_order_items_language
Allows overriding which item language to filter.

WooCommerce Multilingual Version: 4.11.0

Allows overriding which item language to filter.

$translate

(bool) True if we should save adjusted order item.

$order

(WC_Order) WC order

$language_to_filter

(string) Language to filter

add_filter( 'wcml_get_order_items_language', function ( $language, $order ) {
	return 'es';
}, 10, 2 );