3v4l.org

run code in 300+ PHP versions simultaneously
<?php $x = function($x2) { return function($y){ return $x2 + $y; } }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '}' in /in/oMPfg on line 6
Process exited with code 255.
preferences:
219.52 ms | 1395 KiB | 62 Q