How to Access Product ID in WooCommerce for Custom Sidebar Styling?

Accessing Product ID in WooCommerce for Custom Sidebar Styling

When creating customized sidebars for WooCommerce product detail pages, a common challenge arises in highlighting the current product. This article addresses this issue by providing a solution to add an "active" class to the selected product within the sidebar.

To achieve this, it is necessary to obtain the current product ID. In WooCommerce 3 and later, this can be retrieved using the following code:

global $product;
$id = $product->get_id();

The $product global variable contains the currently loaded product object. By accessing its get_id() method, we can obtain the ID of the current product.

With the product ID in hand, you can now add the "active" class to the corresponding menu item in your sidebar. For example, you could use conditional logic such as the following:

<li class="<?php if ($id === $sidebar_product_id) { echo 'active'; } ?>">
    <!-- Product information -->
</li>

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