如何在WooCommerce感谢页面添加转化跟踪代码

要将转化跟踪代码添加到WooCommerce感谢页面（以Google Ads为例），并动态插入订单值（如金额、货币、order_id），请在子主题的functions.php中使用以下代码：

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function custom_conversion_tracking( $order_id ) {
    $order = wc_get_order( $order_id ); ?>
    <script>
      gtag("event", "conversion", {
          "send_to": "Tracking-code-here-XXXXXXXXXX",
          "value": <?php echo $order->get_total(); ?>,
          "currency": "<?php echo $order->get_currency(); ?>",
          "transaction_id": <?php echo $order_id; ?>
      });
    </script>
    <?php
}
add_action( 'woocommerce_thankyou', 'custom_conversion_tracking' );

如果要将代码添加到HEAD中，请使用：

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function custom_conversion_tracking(){
    // 在order-received端点
    if( is_wc_endpoint_url( 'order-received' ) ) :

    // 获取订单ID
    $order_id = absint( get_query_var('order-received') );

    if( get_post_type( $order_id ) !== 'shop_order' ) return;

    $order = wc_get_order( $order_id );
    ?>
    <script>
      gtag("event", "conversion", {
          "send_to": "Tracking-code-here-XXXXXXXXXX",
          "value": <?php echo $order->get_total(); ?>,
          "currency": "<?php echo $order->get_currency(); ?>",
          "transaction_id": <?php echo $order_id; ?>
      });
    </script>
    <?php
    endif;
}

add_action( 'wp_head', 'custom_conversion_tracking' );