3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class GhostsAreReal { public function __get($var_name) { return true; } } $ghosts = new GhostsAreReal(); if ( ! isset($ghosts->exist) && $ghosts->exist ) { // language construct echo 'https://media.giphy.com/media/nWVtKOeSJuEfu/source.gif'; }
based on TuDuS
Output for 5.6.30, hhvm-3.18.5 - 3.22.0, 7.0.30 - 7.3.0alpha1
https://media.giphy.com/media/nWVtKOeSJuEfu/source.gif