3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php var_dump(!'', !'123', !'1', !"gd", !"0f", !'0');
based on TvlkH
Output for 4.3.0 - 5.6.28, hhvm-3.12.0, 7.0.0 - 7.1.0
bool(true) bool(false) bool(false) bool(false) bool(false) bool(true)
Output for hhvm-3.10.0

Process exited with code 153.