Fix toyyibPay plugin - thank you page not showing order details

functions.php

<?php
// Add this function in toyyibpay-for-woocommerce/index.php file
// Fix WooCommerce order key parameter that clashed with toyyibPay
add_filter( 'woocommerce_thankyou_order_key', function( $order_key ) {
	if ( isset( $_GET['order_key'] ) && !empty( $_GET['order_key'] ) ) {
		$order_key = wc_clean( wp_unslash( $_GET['order_key'] ) );
	}
	return $order_key;
} );

toyyibpay.php

<?php
// Change $returnURL variable (line 306) in toyyibpay-for-woocommerce/src/toyyibpay.php
$returnURL = add_query_arg( 'order_key', $customer_order->get_order_key(), wc_get_endpoint_url( 'order-received', $order_id, wc_get_checkout_url() ) );