3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php var_dump(true ?? 3);
based on bVVEB
Output for 7.0.0 - 7.2.0
bool(true)
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/OU2WG on line 3
Process exited with code 255.