3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $array = [ [1, 2], [3, 4], ];
Output for 5.4.0 - 7.1.0
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/muUGV on line 3
Process exited with code 255.