3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $test = null ?? 'nothing'; echo $test;
Output for 7.0.0 - 7.3.0alpha1
nothing
Output for 5.5.0 - 5.6.28
Parse error: syntax error, unexpected '?' in /in/FTlUc on line 3
Process exited with code 255.