multilogin

<?php
session_start();
include "koneksi.php";

$username = $conn->real_escape_string($_POST['username']);
$password = $conn->real_escape_string($_POST['password']);

$query = "SELECT * FROM tbl_user WHERE username = '$username' AND password = '$password' ";
$hasil = $conn->query($query);
$hitung = $hasil->num_rows;

if($hitung){
	$cetak - $hasil->fetch_assoc();
	extract($cetak);
	$_SESSION['id_user'] = $id_user;
	$_SESSION['lv_user'] = $lv_user;
	if($lv_user == 1){
	echo"<script>alert('Selamat anda berhasil login!');</script>";
	echo "<meta http-equiv='refresh' content='0;URL=index.php'>";
	} elseif($lv_user == 2) {
		echo"<script>alert('Selamat anda berhasil login!');</script>";
		echo "<meta http-equiv='refresh' content='0;URL=user.php'>";
	}

} else {
	echo"<script>alert('LOGIN GAGAL!');</script>";
	echo "<meta http-equiv='refresh' content='0;URL=login.php'>";
}

?>