3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php define('X',[]);
Output for 7.0.0 - 7.2.0
Output for 5.4.9 - 5.6.28
Warning: Constants may only evaluate to scalar values in /in/gbFHa on line 3
Output for 5.3.19 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/gbFHa on line 3
Process exited with code 255.