3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $x=array(); $x[a,b]='1'; prin_r($x);
Output for 5.3.0 - 5.4.19
Parse error: syntax error, unexpected ',', expecting ']' in /in/1uX7Y on line 3
Process exited with code 255.