<!DOCTYPE html>
<html>
<head>
<title>Webslesson Tutorial</title>
<link rel="stylesheet" href="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/css/bootstrap.min.css" />
<script src="https://maxcdn.bootstrapcdn.com/bootstrap/3.3.6/js/bootstrap.min.js"></script>
<script src="jquery.js"></script>
<style>
#box
{
width:600px;
background:gray;
color:white;
margin:0 auto;
padding:10px;
text-align:center;
}
</style>
</head>
<body>
<?php
session_start();
if(isset($_SESSION["name"]))
{
if((time() - $_SESSION['last_login_timestamp']) > 60) // 900 = 15 * 60
{
header("location:logout.php");
}
else
{
$_SESSION['last_login_timestamp'] = time();
echo "<h1 align='center'>".$_SESSION["name"]."</h1>";
echo '<h1 align="center">'.$_SESSION['last_login_timestamp'].'</h1>';
echo "<p align='center'><a href='logout.php'>Logout</a></p>";
}
}
else
{
header('location:login.php');
}
?>
</body>
</html>