3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php error_reporting(E_ALL); class A { function b(){ return 1; } } $a='1'; $b=&$a; // $c = new A(); // $d =& $c->b();
based on EAnsK
Output for 5.6.0 - 5.6.30, hhvm-3.12.14 - 3.17.3, 7.0.0 - 7.1.7