3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $res='1'; if($res AND !$res['_error']) echo 'true';
Output for 5.4.0 - 5.6.28, 7.0.0 - 7.1.0
Warning: Illegal string offset '_error' in /in/jCOXE on line 3
Output for 4.3.0 - 5.3.29, hhvm-3.12.0
Output for hhvm-3.10.0

Process exited with code 153.