29.3

<?php
 $action = 'tambah.php';
 $kasus = '';
 if (!empty($siswa)) {
  $action = 'edit.php';
  $kasus = 'readonly';
 }
 ?>
 <form action="<?= $action ?>
" method="post">
 <table align="center">
<tr>
   <td align="center" colspan="2"><h1>
Data</h1>
</td>
  </tr>
<tr>
   <td>NIS</td>
   <td><input type="number" name="nis" value="<?= @$siswa['nis'] ?>" <?= $kasus ?>></td>
  </tr>
<tr>
   <td>Nama Lengkap</td>
   <td><input type="text" name="nama_lengkap" value="<?= @$siswa['nama_lengkap'] ?>"></td>
  </tr>
<tr>
   <td>Jenis Kelamin</td>
   <td>
    <input type="radio" name="jenis_kelamin" value="L" <?= @$siswa['jenis_kelamin'] == 'L' ? 'checked' : '' ?>>Laki-Laki
    <input type="radio" name="jenis_kelamin" value="P" <?= @$siswa['jenis_kelamin'] == 'P' ? 'checked' : '' ?>>Perempuan
   </td>
  </tr>
<tr>
   <td>Kelas</td>
   <td><select name="kelas">
    <option value="XI-RPL1" <?= @$siswa['kelas'] == 'XI-RPL1' ? 'selected' : '' ?>>XI-RPL1</option>
    <option value="XI-RPL2" <?= @$siswa['kelas'] == 'XI-RPL2' ? 'selected' : '' ?>>XI-RPL2</option>
    <option value="XI-RPL3" <?= @$siswa['kelas'] == 'XI-RPL3' ? 'selected' : '' ?>>XI-RPL3</option>
    </select>
   </td>
  </tr>
<tr>
   <td>Jurusan</td>
   <td><input type="text" name="jurusan" value="<?= @$siswa['jurusan'] ?>"></td>
  </tr>
<tr>
   <td>Alamat</td>
   <td><input type="text" name="alamat" value="<?= @$siswa['alamat'] ?>"></td>
  </tr>
<tr>
   <td>Golongan Darah</td>
   <td><select name="goldar">
    <option value="O" <?= @$siswa['golongan_darah'] == 'O' ? 'selected' : '' ?>>O</option>
    <option value="A" <?= @$siswa['golongan_darah'] == 'A' ? 'selected' : '' ?>>A</option>
    <option value="B" <?= @$siswa['golongan_darah'] == 'B' ? 'selected' : '' ?>>B</option>
    <option value="AB" <?= @$siswa['golongan_darah'] == 'AB' ? 'selected' : '' ?>>AB</option>
   </select>
   </td>
  </tr>
<tr>
   <td>Nama Ibu Kandung</td>
   <td><input type="text" name="namaibu" value="<?= @$siswa['nama_ibu'] ?>"></td>
  </tr>
<tr>
   <td></td>
   <td><input class="a" type="submit" name="submit" value="Simpan"></td>
  </tr>
</table>
</form>