How to filter Orders based on "Origin" = "Unknown"?

As a site owner you may want to filter / prevent orders from 'Origin' = 'Unknown'. 

To use this, you can use the following steps: 

Please note: These are development-level steps and should be implemented by your site's developers.

1. Install a Custom Code Plugin: 

2. Navigate to the WPCode settings page, and create a code snippet: 

3. Name and Save the Snippet

4. Add the Following Code Snippet: 

This code checks the order origin during the checkout process and prevents order placement if the origin is “Unknown.”

add_action('woocommerce_checkout_process', 'block_unknown_origin_orders');

function block_unknown_origin_orders() {
   // Retrieve the referral source stored in WooCommerce's session or analytics data.
   $origin = isset(WC()->session) ? WC()->session->get('wc_referral_source') : null;

   // Check if origin is "Unknown" or not set.
   if (empty($origin) || strtolower($origin) === 'unknown') {
  // Add an error to stop the checkout process.
wc_add_notice(__('We are unable to process your order at this time. Please contact support if the issue persists.'), 'error');
   }
}