3v4l.org

run code in 300+ PHP versions simultaneously
<?php $callable = function(){echo 'hi'}; $callable(); function getCallable() { global $callable; return $callable; } getCallable()();
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '}', expecting ',' or ';' in /in/EUMGS on line 3
Process exited with code 255.

preferences:
180.26 ms | 1387 KiB | 58 Q