3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(!true);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.0.9, 7.0.11 - 7.1.0
bool(false)
Output for hhvm-3.13.2, 7.0.10

Process exited with code 137.