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Learn how to resolve issues when trying to `JSON encode` WooCommerce product data. Discover step-by-step instructions for pulling best-selling products using WooCommerce.
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This video is based on the question https://stackoverflow.com/q/53496680/ asked by the user 'Sagar Bahadur Tamang' ( https://stackoverflow.com/u/3551946/ ) and on the answer https://stackoverflow.com/a/75607461/ provided by the user 'Yash' ( https://stackoverflow.com/u/20896084/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

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How to Successfully JSON Encode WooCommerce Best Selling Products

If you are working with WooCommerce and trying to retrieve your best-selling products, you might run into a frustrating issue: the inability to JSON encode the results from wc_get_products() function. In this post, we'll explore the problem in detail and guide you through the solution step-by-step.

Understanding the Issue

When retrieving best-selling products in WooCommerce, you might use code that looks something like this:

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

While this code may seem correct, running it often leads to an issue where the JSON encoding fails.

What's Wrong?

The root of the problem lies in the fact that wc_get_products() returns an array of product objects (WC_Product_Simple, WC_Product_Variable, etc.). These objects contain protected properties, meaning that you cannot directly access their data for encoding.

When trying to encode these objects directly with wp_json_encode(), it won't work because:

The JSON function cannot serialize protected properties.

This leads to incomplete or failed JSON results.

How to Solve the Problem

To successfully encode the product data in JSON format, you'll need to extract the relevant information from the product objects and create a simplified array. Here's how you can do it:

Step 1: Retrieve Best-Selling Products

First, use the same arguments to get the best-selling products:

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

Step 2: Create a Simplified Array

Next, loop through the product data and extract the necessary information using the get_data() method, which returns an associative array of the product's data.

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

Step 3: Encode Data in JSON Format

Finally, encode the simplified data to JSON format, and print it:

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

Complete Solution Code

Combining all the above elements, your complete code for retrieving and encoding best-selling products will look like this:

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

Conclusion

By following these steps, you'll be able to successfully JSON encode the best-selling products from your WooCommerce store without encountering issues due to protected properties in the product objects. This method not only resolves the encoding problem but also organizes your product data in a clean, usable format.

Feel free to reach out in the comments if you have any questions or need further assistance!