<?session_start();?>
<html>
<head>


</head>
<body>


<?if(@$_SESSION["username"]=="")//not logged in
{?>
<h1>Welcome Guest</h1>
Please <a href="login.php">Log in</a>
<br><br>
<?}
else//logged in
{?>
<h1>Welcome <?echo $_SESSION["username"];?></h1>
Please <a href="logout.php">Log out</a>
<br><br>
Go to <a href="secret.php">Secret page</a>
<?}?>
</body>

