<slide title="Hash with Cookie">
<example title="Sending the cookie"><![CDATA[<?php
$secret_word = 'salt-baked squid';
$id = 31415926;
$hash = md5($secret_word.$id);
setcookie('id',$id.'-'.$hash);
?>]]></example>
<image filename="squid.jpg" align="center"/>

</slide>
