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 '}' in /in/2XXnK on line 13
Process exited with code 255.
preferences:
179.07 ms | 1395 KiB | 58 Q