session_id(): c3a21c1c15c233464791056fa966903e<br>Cookie (from $_COOKIE): <pre>Array
(
    [PHPSESSID] =&gt; c3a21c1c15c233464791056fa966903e
)
</pre>Session content: <pre>Array
(
)
</pre><p><a href="session_test.php?set=hello">Set session to "hello"</a></p>