SCRIPT UPDATE PHP

UPDATE

<?php
include 'koneksi.php' ;
@$id = $_GET['id'];
$data = mysqli_query($koneksi, "select * from izin where id_izin='$id'");
$d = mysqli_fetch_array($data);{
?>
<form method="post" action="updateprosesizin.php">
<center><table width="500" height="200" border="10" cellpadding="10" cellspacing="5">
<tr>
<td>ID Izin</td>
          <td>:</td>
<td><input type="text" readonly name="id_izin" value="<?php echo $d['id_izin']; ?>"></td></tr>

      <tr>
<td>Nama Siswa</td>
          <td>:</td>
<td><input type="text" name="nama" value="<?php echo $d['nama']; ?>"></td></tr>

<tr>
        <td>Kelas</td>
    <td>:</td>
    <td><select name="kelas" id="kelas">
    <option value="<?php echo $d['kelas'];?>"><?php echo $d['kelas'];?></option>
    <?php
  include 'koneksi.php';
  $query = mysqli_query($koneksi,"select * from kelas");
  while($data = mysqli_fetch_array($query))
  {
  echo"<option value='$data[1]'>$data[1]</option>";
         
  }

  ?>
    </select>
    </td>
    </tr>

        <tr>
        <td>Jurusan</td>
    <td>:</td>
    <td><select name="jurusan" id="jurusan">
    <option value="<?php echo $d['jurusan'];?>"><?php echo $d['jurusan'];?></option>
    <?php
  include 'koneksi.php';
  $query = mysqli_query($koneksi,"select * from jurusan");
  while($data = mysqli_fetch_array($query))
  {
  echo"<option value='$data[1]'>$data[1]</option>";
         
  }

  ?>
    </select>
    </td>
    </tr>

          <tr>
          <td>Nama Orang Tua</td>
          <td>:</td>
          <td><input type="text" name="ortu" value="<?php echo $d['ortu']; ?>">
          </td>
          </tr>
     
        <tr>
<td>Tanggal Izin</td>
    <td>:</td>
          <td><input type="date"  name="tgl_izin" value="<?php echo $d['tgl_izin']; ?>">
</td>
</tr>

<tr>
<td>Tanggal Masuk</td>
    <td>:</td>
          <td><input type="date"  name="tgl_masuk" value="<?php echo $d['tgl_masuk']; ?>">
</td>
</tr>
 <tr>
<td>Alamat</td>
<td><textarea name="alamat" cols="10" rows="3"><?php echo $d['alamat']; ?></textarea></td>
</tr>
<tr>
<td colspan="3">
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
<input type="submit" name="ok" value="OK">
<a href="showbarang.php"><input type="submit" name="cancel" value="CANCEL"></a></td>
</tr>
  </table>
</form>
<?php
}
?>
</body>