3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $var = null; echo $var ?? 'true' : 'false';
based on oLq2h
Output for 7.0.0
Parse error: syntax error, unexpected ':', expecting ',' or ';' in /in/E5GKC on line 3
Process exited with code 255.
Output for 5.3.20 - 5.6.16
Parse error: syntax error, unexpected '?' in /in/E5GKC on line 3
Process exited with code 255.