<?php
session_start();
if(isset($_POST['kirim'])){
    $username = $_POST['username'];
    $password = $_POST['password'];
    //user = admin pass = 123
    if(($username == "admin") && ($password == "123")){
        //login sukses
        $_SESSION['login'] = "admin";
        header("location:../../index.php?pesan=sukses");
    }else{
        //login gagal
        header("location:../../index.php?menu=login&level=admin&pesan=error");
    }
}else{
    header("location:../../index.php");
}
?>