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'); class Bla { public $fn; public $fn2; public function __construct($f=null){ $this->fn2 = $f; } } $bla = new Bla; $bla->fn = function($arg="Bu"){return "Hello lo $arg"; }; // can't do in class! echo ($bla->fn)('Wa'); $blah = new Bla(function(){ return "F!";}); echo ($bla->fn2)();
based on bOkjT
Output for 7.0.0 - 7.2.0
Hello WorldHello lo Wa Fatal error: Uncaught Error: Function name must be a string in /in/kBDHJ:20 Stack trace: #0 {main} thrown in /in/kBDHJ on line 20
Process exited with code 255.
Output for 5.3.21 - 5.6.28
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/kBDHJ on line 5
Process exited with code 255.