merhaba bu şekilde form var modal ile açıyorum
kdv2 seçiyorum ama kdv1 id gidip yazıyor
tek seçince hata oluyor
ama hepsini seçince olmuyor

<div class="modal fade show" id="update_data" role="dialog" style="padding-right: 17px; display: block;" aria-modal="true">
        <div class="modal-dialog modal-xl">
            <div class="modal-content">
              <form method="POST" action="modalguncelleme.php">
                <div class="modal-header">
                    <h5 class="modal-title"><i class="fa fa-edit"></i> KDM Bilgilerini Güncelleme</h5>
                </div>

<div class="modal-body"> <div style="clear: both;">  
<div style="clear: both;"></div>
<div class="form-group " style="padding-top: 10px ">
<label class=" col-md-5" style=" float: left;top: 5px;   text-align: right;">KDV1</label>
<div class=" col-md-7" style=" float: right;">
<div class="form-check form-check-solid" style="margin-top: 5px">
<input [COLOR=#000000][FONT=Open Sans]type="checkbox" [/FONT][/COLOR]  name="durum[]" value="1">
  </div> </div>
 <div style="clear: both;">
<input type="hidden" name="musteri_beyanname_takip_aylik_id[]" id="id_modal" class="form-control-sm">
  

 <div style="clear: both;"></div><div class="form-group " style="padding-top: 10px ">
<label class=" col-md-5" style=" float: left;top: 5px;   text-align: right;">KDV2</label>
<div class=" col-md-7" style=" float: right;">
<div class="form-check form-check-solid" style="margin-top: 5px">
<input type="checkbox" name="durum[]"  [COLOR=#000000][FONT="Open Sans"]value="1"[/FONT][/COLOR] >
  </div> </div>  
<div style="clear: both;">
<input type="hidden" name="musteri_beyanname_takip_aylik_id[]" id="id_modal" class="form-control-sm" value="13">


</div></div></div></div></div></div></div>
                     <div class="modal-footer">
                
                    <button name="update" class="btn btn-warning"><span class="glyphicon glyphicon-edit"></span> Kaydet</button>
          <button class="btn btn-danger" type="button" data-dismiss="modal"><span class="glyphicon glyphicon-remove"></span> Kapat</button>
           </div>
                
            </form></div>
        </div>
        
    </div>

<?php

@ob_start();
@session_start();
include 'islemler/baglan.php';
include 'fonksiyonlar.php';

        if (isset($_POST['update'])) {
          if (yetkikontrol()!="yetkili") {
            header("location:../index.php");
            exit;
          }


          $member_id=$_POST['musteri_beyanname_takip_aylik_id'];
          $N = count($member_id);
for($i=0; $i < $N; $i++)
{


          $projeguncelle=$db->prepare("UPDATE  musteri_beyanname_takip_aylik SET
            durum=:durum
        
           where   musteri_beyanname_takip_aylik_id='$member_id[$i]'  ");

          $guncelle=$projeguncelle->execute(array(
           'durum' => $_POST['durum'][$i]
  
        
          ));
      
       }



          if ($guncelle) {
            header("location:kdm.php");  
            exit;
          } else {
            header("location:kdm.php");
            exit;
          }
          exit;
        }

?>