$sTo = filter_input(INPUT_POST, 'toyear', FILTER_SANITIZE_NUMBER_INT).'-'
                    .Tools::dateAddLeadingZero(filter_input(INPUT_POST, 'tomonth', FILTER_SANITIZE_NUMBER_INT)).'-'
                    .Tools::dateAddLeadingZero(filter_input(INPUT_POST, 'today', FILTER_SANITIZE_NUMBER_INT));