3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php echo '<pre>'; var_dump($_SESSION); echo '</pre>';
Output for 5.3.28 - 5.3.29, 5.4.20 - 7.2.0
<pre> Notice: Undefined variable: _SESSION in /in/bAL8k on line 3 NULL </pre>
Output for 5.0.4 - 5.3.27, 5.4.0 - 5.4.19
<pre> Notice: Undefined variable: _SESSION in /in/3kKKX on line 3 NULL </pre>
Output for 4.3.1 - 5.0.3
<pre> Notice: Undefined variable: _SESSION in /in/3kKKX on line 3 NULL </pre>
Output for 4.3.0
<pre> Notice: Undefined variable: _SESSION in /in/bAL8k on line 3 NULL </pre>