Netopia split payments for WooCommerce

functions.php

<?php
add_filter(
	'netopia_payment_request_params',
	function ( \Netopia_Payment_Request_Abstract $mobilpay_instance, int $order_id ) {
		require_once get_stylesheet_directory() . '/inc/classes/Split.php';
		$mobilpay_instance->split = new Inc\Classes\Mobilpay_Payment_Split();

		$order = wc_get_order( $order_id );

		$percent  = 0.15; // Split the payment by 15%.
		$total    = round( $order->get_total() * 100 );
		$amount_1 = round( $total * $percent );
		$amount_2 = $total - $amount_1;

		/**
		 * The destination seller account ID and the amount that will be transferred to that seller account.
		 * The currency will always be that of the originating request.
		 */
		$mobilpay_instance->split->destinations = array(
			array(
				'id'     => 'netopia-merchant-1-id',
				'amount' => $amount_1 / 100,
			),
			array(
				'id'     => 'netopia-merchant-2-id',
				'amount' => $amount_2 / 100,
			),
		);

		error_log(
			print_r(
				array(
					'amount_1' => $amount_1,
					'amount_2' => $amount_2,
				),
				true
			)
		);

		return $mobilpay_instance;
	},
	10,
	2
);