Yoast_Product::add_campaign_attributes PHP Method

        private function add_campaign_attributes($url, $link_identifier)
        {
            $tracking_vars = array('utm_campaign' => $this->get_item_name() . ' licensing', 'utm_medium' => 'link', 'utm_source' => $this->get_item_name(), 'utm_content' => $link_identifier);
            // URL encode tracking vars.
            $tracking_vars = urlencode_deep($tracking_vars);
            $query_string = build_query($tracking_vars);
            return $url . '#' . $query_string;
        }