3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php $obj = new StdClass; $obj->fn = function($arg) { return "Hello $arg"; }; echo ($obj->fn)('World');
Output for 7.0.0 - 7.2.0
Hello World
Output for 5.5.0 - 5.6.28
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/4NXhD on line 5
Process exited with code 255.