3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php if( !$_SESSION['captcha_correct'] ){ echo '<pre>'; print_r("no captcha"); exit; }
Output for 5.0.4 - 7.1.0
Notice: Undefined variable: _SESSION in /in/QpPXt on line 3 <pre>no captcha
Output for 4.3.0 - 5.0.3
Notice: Undefined variable: _SESSION in /in/QpPXt on line 3 <pre>no captcha