<?php
  include 'lib/library.php';
  $nis = $_GET['nis'];
  if (!empty($nis)) {
    $sql = "DELETE FROM siswa WHERE nis = '$nis' ";

    if ($mysqli->query($sql)) {
      echo 1;//Ubah, jika data berhasil dihapus, tampilkan 1
                //Jika gagal, tampilkan 0
                //(Digunakan untuk result ajax)


    }else{
      echo 0;
    }
  }
 ?>