Remove subscription emails for $0 products

// TODO: look into basing this off order value.

//add_filter( 'woocommerce_email_enabled_new_renewal_order', 'unhook_those_pesky_emails', 20, 2 );
//add_filter( 'woocommerce_email_enabled_customer_renewal_invoice', 'unhook_those_pesky_emails', 20, 2 );
add_filter( 'woocommerce_email_enabled_customer_new_order', 'unhook_those_pesky_emails', 20, 2 );
function unhook_those_pesky_emails( $active, $order ) {

	//var_dump($order);
	//exit;

	if ( ! isset($order) ) {
		return $active;
	}

	var_dump($order);

	$items = $order->get_items();
	$active = false;

	foreach ( $items as $item ) {

		if ( isset( $item['variation_id'] ) ) {
			$product = wc_get_product( $item['variation_id'] );
		} else {
			$product = wc_get_product( $item['product_id'] );
		}

		$price = $product->get_price();

		if ( 0 != $price ) {
			$active = true;
			break;
		}
	}

	return $active;
}