WooCommerce Add CC Address To Order Processing Email

wcaopecc.php

/*
 * @snippet       WooCommerce Add CC Address To Order Processing Email
 * @description   This snippet will allow you to send the order processing email to a secondary email as a CC
 * @author        u/acephaliax
 * @caffeinate    https://buymeacoffee.com/acephaliax
 */

add_filter('woocommerce_email_headers', 'add_cc_to_processing_order_email', 10, 3);

function add_cc_to_processing_order_email($headers, $email_id, $order) {
    // Check if the email being sent is the processing order email
    if ($email_id === 'customer_processing_order') {
        // Add your CC email address
        $headers .= 'Cc: [email protected]' . "\r\n"; 
    }

    return $headers;
}

For reddit thread: https://www.reddit.com/r/woocommerce/s/AuqWfLwAox
Support the support: https://buymeacoffee.com/acephaliax