Exclude product from custom feed

function lw_gpf_exclude_product($excluded, $product_id, $feed_format) {
    // Return TRUE to exclude a product, FALSE to include it, $excluded to use the default behaviour.
    if (strpos($_SERVER['REQUEST_URI'], '/woocommerce_gpf/83e2cc41de7757ea/') !== false){
        if (COUNTRY_NAME == 'Australia' && $product_id != 260415 ) {
            return TRUE;
        }
    }
    // If not in the above categories use the default behaviour.
    return $excluded;
	}
	add_filter( 'woocommerce_gpf_exclude_product', 'lw_gpf_exclude_product', 11, 3);