3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php (function ($a) {echo $a;})('Hello World');
Output for 7.0.0 - 7.2.0
Hello World
Output for 5.3.22 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/PtBGd on line 3
Process exited with code 255.