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Learn how to exclude specified products from additional fees in WooCommerce checkout with simple code modifications.
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This video is based on the question https://stackoverflow.com/q/77768832/ asked by the user 'Paul Vek' ( https://stackoverflow.com/u/23079162/ ) and on the answer https://stackoverflow.com/a/77769436/ provided by the user 'LoicTheAztec' ( https://stackoverflow.com/u/3730754/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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Exclude Specific Products from Additional Fees in WooCommerce Checkout

Are you running an online store using WooCommerce and looking to implement custom fees at checkout? Sometimes, you may want to apply additional fees only to certain products, while excluding others. In this guide, we'll explore how to add a percentage fee based on product selection and how you can easily exclude specific products by their IDs from this fee.

Understanding the Problem

In many scenarios, store managers want to apply additional charges—like a percentage fee—for various reasons. For instance, you might want to add a 9% fee for transactions made through a specific payment gateway, like PayPal. However, for certain products in your inventory, this fee may not be applicable. Thus, the need arises to exclude specific products from this calculated surcharge. The good news is, you can achieve that with minimal changes to your existing code.

Original Example Code

Here is what a basic implementation looks like that adds a 9% fee when using PayPal as the payment gateway:

[[See Video to Reveal this Text or Code Snippet]]

While this code works, it calculates the fee based on all items in the cart. Now, let’s modify it so that we can exclude specific products.

Proposed Solution

Updated Code to Exclude Products

To exclude specific products from the additional fee calculation, you can use the following updated code snippet. Make sure to add this code to your functions.php file in your child theme or a custom plugin:

[[See Video to Reveal this Text or Code Snippet]]

Key Changes Explained:

Exclude Product IDs: Update the $excluded_product_ids array with the IDs of the products you want to exclude from the surcharge.

Subtotal Calculation: The code computes a custom subtotal that sums up only the non-excluded products, ensuring that only eligible items contribute to the fee.

Conditional Fee Application: The fee is only applied when there’s a valid custom subtotal greater than zero.

Conclusion

Implementing custom fees based on specific product criteria in WooCommerce can enhance your checkout process and improve the customer experience. By excluding certain products from a predefined fee, you can better manage pricing strategy and maintain transparency with your customers.

Feel free to test the provided code snippet and make necessary adjustments based on your product IDs. Happy coding!