<?php
// Start the session
session_start();

// Set session variables
$_SESSION["favcolor"] = "green";
$_SESSION["favanimal"] = "cat";
echo "Session variables are set.".$_SESSION["favcolor"].$_SESSION["favanimal"];
session_unset(); 

session_destroy();
echo "Session variables are set.".$_SESSION["favcolor"].$_SESSION["favanimal"];

?>