3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(false ?? 3);
Output for 7.0.0 - 7.2.0
bool(false)
Output for 5.5.0 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/ZOQk1 on line 3
Process exited with code 255.