3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $res='1'; if($res AND !$res['_error']) echo 'true';
Output for 5.4.0 - 7.2.0
Warning: Illegal string offset '_error' in /in/jCOXE on line 3
Output for 4.3.0 - 5.3.29