3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Dummy { public function __invoke($x) { var_dump($x); } } use Dummy as d; d('foo');
based on 7nIS9
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to undefined function d() in /in/anljQ:12 Stack trace: #0 {main} thrown in /in/anljQ on line 12
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Fatal error: Call to undefined function d() in /in/anljQ on line 12
Process exited with code 255.