session_id(): a7b112f03d598213143af80b0bc8610b<br>Cookie (from $_COOKIE): <pre>Array
(
    [PHPSESSID] =&gt; a7b112f03d598213143af80b0bc8610b
)
</pre>Session content: <pre>Array
(
)
</pre><p><a href="session_test.php?set=hello">Set session to "hello"</a></p>