Google Ads tracking and conversion

add_action( 'wp_print_scripts', function() {

	?>
	<script async src="https://www.googletagmanager.com/gtag/js?id=AW-####"></script>
	<script type="text/javascript">
		window.dataLayer = window.dataLayer || [];
		function gtag(){ dataLayer.push( arguments ); }
		gtag( 'js', new Date() );
		gtag( 'config', 'AW-####' );
	</script>
	<?php

} );

add_action( 'woocommerce_thankyou', function( $order_id ) {

	if( ! $order_id ) {
		return;
	}

	$order = wc_get_order( $order_id );

	if( ! $order ) {
		return;
	}

	$order_total = $order->get_total();

	?>
	<script type="text/javascript">
		gtag( 'event', 'conversion', {
			'send_to': 'AW-####',
			'value': <?php echo $order_total; ?>,
			'currency': 'USD',
			'transaction_id': <?php echo $order_id; ?>
		} );
	</script>
	<?php

} );