<?php
$user="root";
$pass="";
$host="localhost";
$dbnamne="natinedjs";

$nama_siswa  = $_REQUEST['nama_siswa'];
$kelas  = $_REQUEST['kelas'];

//create connection
$conn = new mysqli($host, $user, $pass, $dbnamne);

//check connection
if($conn->connect_error){
    die("connection failed" .$com->connect_error);
}

$mysqli = "INSERT INTO `data_siswa` (`id`, `nama_siswa`, `kelas`) VALUES ('$id', '$nama_siswa', '$kelas')";
$result  = mysqli_query($conn, $mysqli);

  if ($result) {
    echo "Input berhasil";
  }

  else {
    echo "Input gagal";
  }
  mysqli_close($conn);


?>
<form method="_REQUEST" action="data_siswa.php">
<table width="760" border="0" align="left" cellpadding="0" cellspacing="0">

        <tr height="46">
            <td> </td>
            <td>Nama Siswa</td>
            <td><input type="text" name="nama_siswa" size="50" maxlength="30" /></td>

        </tr>
        <tr height="46">
            <td> </td>
            <td>Kelas</td>
            <td><input type="text" name="kelas" size="20" maxlength="12" /></td>
        </tr>
        <tr height="46">
            <td> </td>
            <td> </td>
            <td><input type="submit" name="submit" value="Kirim">

        </tr>
    </table>
</form>