WordPress at a glance
filter is not described

woocommerce_order_get_tax_totals filter-hook . WC 1.0

Usage

add_filter( 'woocommerce_order_get_tax_totals', 'filter_function_name_3595', 10, 2 );
function filter_function_name_3595( $tax_totals, $that ){
	// filter...

	return $tax_totals;
}
$tax_totals
-
$that
-

Where the hook is called

WC_Abstract_Order::get_tax_totals()
woocommerce_order_get_tax_totals
woocommerce/includes/abstracts/abstract-wc-order.php 475
return apply_filters( 'woocommerce_order_get_tax_totals', $tax_totals, $this );

Where in WP core the hook is used WooCommerce

Usage not found.