public static function ordersProven() { $rules = ["sort" => FILTER_SANITIZE_SPECIAL_CHARS]; $sort = filter_input_array(INPUT_GET, $rules); if (self::checkValues($sort)) { echo ViewHelper::render("view/salesman-orders-list-proven.php", ["orders" => OrdersDB::getAllProven($sort)]); } else { ViewHelper::redirect(BASE_URL . "orders/proven?sort=id"); } }