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Discover how to filter custom product fields in WooCommerce, ensuring your shop pages are fully populated with relevant products. Streamline your multi-shop experience today!
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Enhance Your WooCommerce Store: Custom Product Loops with Filters

When managing a WooCommerce multi-shop (WordPress network), displaying the right products on each subsite is crucial. However, a common issue arises when using custom product fields—especially checkboxes—to filter product visibility. Many users find that their shop pages become nearly empty due to improper filtering, resulting in significant customer dissatisfaction.

In this article, we will address how to filter a product loop by custom product fields before the output starts, allowing you to showcase the right products and enrich your customers' shopping experience. Let’s break it down step by step.

The Problem with Current Filtering

The major issue users face is that filtering occurs after the output begins. This leads to scenarios where almost all products appear invisible on shop pages, causing frustration as users encounter empty listings.
For example, if you have multiple sub-sites with limited products visible, you end up with empty or half-filled pages. If you have 89 shop pages but only partial fillers, it’s time to rethink your filtering process.

Proposed Solution: Pre-Filtering the Product Loop

To achieve an ideal filtering of your product listings, you can modify your code. Here’s a structured approach to pre-filter your product loop based on your custom fields.

Step 1: Get Product Visibility

The first step is to fetch the visibility status for products based on their respective custom meta fields. Here's the updated code snippet for better visibility filtering:

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

Step 2: Implement a Custom WP_Query

For sites with specific visibility conditions (let’s say blog ID 5), you can further strengthen your filtering by crafting a custom WP_Query. Here’s how:

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

Final Considerations

By implementing the above code, you effectively establish a pre-filter for your product loop that checks product visibility before it gets sent to the front end. This process will lead to a cleaner presentation of your WooCommerce shop pages, ensuring that customers only see relevant products, thus improving the shopping experience across your network.

Conclusion

Utilizing custom product fields to filter your WooCommerce products can greatly enhance user experience. By following the guidelines laid out in this guide, you can avoid the pitfalls of struggling with half-filled shop pages and instead create a streamlined product showcase that meets your specific requirements.

Keep experimenting and improving your WooCommerce sites to provide the best for your customers!