3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php function something() { return function () { echo 'hello world'; }; } something()();
Output for 7.0.0 - 7.2.0
hello world
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/eGWoB on line 8
Process exited with code 255.