3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class X { function __construct($fun) { $fun(); } function callMe() { echo "yay\n"; } static function create($fun) { return new X($fun); } } $x = null; $x = X::create(function() use (&$x) { $x->callMe(); });
based on 1KgtR
Output for 7.0.0 - 7.2.0
Fatal error: Uncaught Error: Call to a member function callMe() on null in /in/o6q4N:9 Stack trace: #0 /in/o6q4N(4): {closure}() #1 /in/o6q4N(6): X->__construct(Object(Closure)) #2 /in/o6q4N(9): X::create(Object(Closure)) #3 {main} thrown in /in/o6q4N on line 9
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Fatal error: Call to a member function callMe() on null in /in/o6q4N on line 9
Process exited with code 255.
Output for 5.3.19 - 5.5.35
Fatal error: Call to a member function callMe() on a non-object in /in/o6q4N on line 9
Process exited with code 255.