static function removeVoucherInfo($id, $reserve_type)
 {
     Dispatcher::$mysqli->query("update voucher_info set display=0 where id='{$id}'");
     print_r(Dispatcher::$mysqli->error);
     $voucher_info_array = Dispatcher::booking_get_booking_info($reserve_type, "");
     get_booking_info_view($reserve_type, $voucher_info_array);
 }
<div class="modal fade" id="tourists-info" tabindex="-1" role="dialog" aria-labelledby="instructors-modal" aria-hidden="true">
    <div class="modal-dialog modal-lg">
        <div class="modal-content timetable-modal-content">
            <div class="modal-header timetable-modal-header">
                <button type="button" class="global-close" data-dismiss="modal" aria-hidden="true">&times;</button>
                <!--<button type="button" class="close" data-dismiss="modal" aria-hidden="true">&times;</button>-->
                <div class="modal-title" id="myModalLabel">Tourists</div>
            </div>
            <div class="modal-body timetable-modal-body">
                <button id="add-tourists-info-btn" class="add-instructor-btn popover-dismiss" data-placement="bottom">
                    <span class="add_instructor_plus"></span><span class="add-instructor-label">Add booking type</span>
                </button>
                <table class="list-of-vouchers">
                    <?php 
get_booking_info_view("tourists", $booking_info_array);
?>
                </table>
            </div>
            <div class="modal-footer timetable-modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <!--<button id="new_service_save_btn" type="button" class="btn-next" onclick="">Save</button>-->
            </div>
        </div>
    </div>
</div>

<div id="booking-info-popover-head" class="hide">Add booking info</div>
<div id="booking-info-popover-content" class="hide">
    <table class="add-vouchers-info-table">
        <tr><td width='30px'>Name:</td><td height='10px'></td></tr>
                    </button>
                    <div class="dropdown-menu dropdown-menu-top-arrow" role="menu" aria-labelledby="dropdownMenu1">
                        <div class="get-voucher-type-wrapper">
                            <div class="get-voucher-type-label"><span>Get voucher type</span></div>
                            <input id="slevomat-code-input" class="voucher-code-input" name="slevomat-code-input" value="" placeholder="Type code here"/>
                            <input id="slevomat-type-input" class="voucher-code-input" name="slevomat-type-input" value=""/>
                            <button onclick="get_voucher_type();" id="get-voucher-type" class="btn btn-success btn-xs">GET</button>
                        </div>
                    </div>
                </div>
                <button id="add-slevomat-info-btn" class="add-instructor-btn popover-dismiss" data-placement="bottom">
                    <span class="add_instructor_plus"></span><span class="add-instructor-label">Add voucher type</span>
                </button>
                <table class="list-of-vouchers">
                    <?php 
get_booking_info_view("slevomat", $vouchers_info_array);
?>
                </table>
            </div>
            <div class="modal-footer timetable-modal-footer">
                <button type="button" class="btn btn-default" data-dismiss="modal">Close</button>
                <!--<button id="new_service_save_btn" type="button" class="btn-next" onclick="">Save</button>-->
            </div>
        </div>
    </div>
</div>

<div id="vouchers-info-popover-head" class="hide">Add voucher info</div>
<div id="vouchers-info-popover-content" class="hide">
    <table class="add-vouchers-info-table">
        <tr><td width='30px'>Name:</td><td height='10px'></td></tr>