3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php (function($param){ echo $param; })("hello");
Output for 7.0.0 - 7.2.0
hello
Output for 5.3.20 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/6DE5Q on line 5
Process exited with code 255.