3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $a = [ [ [ 'a' ] ] ];
Output for 5.4.0 - 7.1.7
Output for 5.3.0 - 5.3.29
Parse error: syntax error, unexpected '[' in /in/JTSI7 on line 3
Process exited with code 255.