3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php const a=array();
Output for 5.6.8 - 5.6.28, 7.0.0 - 7.1.0
Output for hhvm-3.12.0
Warning: Constants may only evaluate to scalar values in /in/3BmkW on line 1
Output for hhvm-3.10.0

Process exited with code 153.
Output for 5.4.0 - 5.5.35
Fatal error: Arrays are not allowed as constants in /in/3BmkW on line 1
Process exited with code 255.