page1:

<?php
session_start();
echo 'Welcome to page #1';
$_SESSION['favcolor'] = 'green';
$_SESSION['animal']  = 'cat';
$_SESSION['time']    = time();

echo '<br /><a href="page2.php">page 2</a>';

echo '<br /><a href="page2.php?' . SID . '">page 2</a>';
?> 


page2: 

<?php
session_start();
echo 'Welcome to page #2<br />';
echo $_SESSION['favcolor']; // green
echo $_SESSION['animal'];  // cat
echo date('Y m d H:i:s', $_SESSION['time']);
?>