3v4l.org

run code in 300+ PHP versions simultaneously
<?php function a() { return function() { echo 'yay'; } } echo a()();
Output for 5.4.2 - 5.4.45, 5.5.24 - 5.5.29, 5.6.8 - 5.6.13
Parse error: syntax error, unexpected '}' in /in/4a4uE on line 7
Process exited with code 255.
preferences:
183.38 ms | 1395 KiB | 62 Q