Где формируется ссылка для {link-category}?

if( $element ) {
                        $my_cat[] = $cat_info[$element]['name'];
                        if( $config['allow_alt_url'] ) $my_cat_link[] = "<a href=\"" . $config['http_home_url'] . get_url( $element ) . "/\">{$cat_info[$element]['name']}</a>";
                        else $my_cat_link[] = "<a href=\"$PHP_SELF?do=cat&category={$cat_info[$element]['alt_name']}\">{$cat_info[$element]['name']}</a>";
                    }