WooCommerce Psigate include the shipping in the order total for free orders

wc-psigate-include-shipping-for-free-orders

/**
 * Add to your "themes/child-theme-folder/functions.php" file
 */
add_filter( 'wc_psigate_process_credit_card_payment_parameters', 'vanbo_combine_shipping_in_total', 10, 2 );
function vanbo_combine_shipping_in_total( $parameters, $order ) {
	$total = number_format( ( $order->get_total() - WC_Compat_PsiGate::get_total_shipping( $order ) - $order->get_total_tax() ), 2, '.', '' );
	
	// If the total is 0
	if ( 0 >= $total ) {
		// Subtotal will equal the order total
		$total                       = number_format( $order->get_total(), 2, '.', '' );
		$parameters['ShippingTotal'] = 0;
		$parameters['Tax1']          = 0;
		$parameters['Subtotal']      = $total;
		
		// Versions after 1.5.0 use a complete breakdown of the order items 
		// so we need to account for that and add a new item as the order total 
		if ( isset( $parameters['Item'] ) ) {
			$i = count( $parameters['Item'] ) + 3;
			
			$parameters['Item'][ $i ]['ItemDescription'] = 'Total';
			$parameters['Item'][ $i ]['ItemID']          = '99999999';
			$parameters['Item'][ $i ]['ItemQty']         = 1;
			$parameters['Item'][ $i ]['ItemPrice']       = number_format( $order->get_total(), 2, '.', '' );
		}
	}
	
	return $parameters;
}