logout.php

<?php 
session_start();
if (!isset($_SESSION["akun-admin"]) && !isset($_SESSION["akun-user"])) {
    header("Location: login.php");
    exit;
} 

session_unset();
session_destroy();

?>
<script>
    alert('Berhasil Logout!');
    location.href = 'login.php';
</script>