3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $data = []; $var = $data['email'] ?? null; echo $var;
Output for hhvm-3.15.4 - 3.22.0, 7.0.0 - 7.2.9
Output for 5.6.30
Parse error: syntax error, unexpected '?' in /in/3t20F on line 5
Process exited with code 255.