# visual-web-optimizer/4.16/templates/checkout.php

Wingify, version 4.16. 4 lines.

- Page: https://pluginprobe.com/plugins/visual-web-optimizer/4.16/code/templates/checkout.php
- Raw: https://pluginprobe.com/plugins/visual-web-optimizer/4.16/raw/templates/checkout.php
- Modified: 2026-09-18T14:02:22+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/visual-web-optimizer/4.16/code/templates/checkout.php#L10-L20`.

```php
<?php defined('ABSPATH') or exit; ?>
window.VWO = window.VWO || [];
VWO.event = VWO.event || function () {VWO.push(["event"].concat([].slice.call(arguments)))};
VWO.event("woocommerce.checkoutStarted", {});
```