3v4l.org

run code in 200+ php & hhvm versions
Bugs & Features
<?php class Foo { protected $bar; public function __construct(BarInterface $bar) { $this->bar = $bar; } public function doAction() { $bar->getVar(); } } interface BarInterface { public function getVar(); } abstract class BarAbstract implements BarInterface { public function getVar() { return $this->var; } } class Bar extends BarAbstract { protected $var = __CLASS__; } class Baz extends BarAbstract { protected $var = __CLASS__; } $bar = new Bar(); $foo = new Foo($bar); $foo->doAction();
based on q6qMu
Output for 7.0.5 - 7.2.0
Notice: Undefined variable: bar in /in/NFvE0 on line 13 Fatal error: Uncaught Error: Call to a member function getVar() on null in /in/NFvE0:13 Stack trace: #0 /in/NFvE0(43): Foo->doAction() #1 {main} thrown in /in/NFvE0 on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.4
Notice: Undefined variable: bar in /in/NFvE0 on line 13 Fatal error: Uncaught Error: Call to a member function getVar() on unknown in /in/NFvE0:13 Stack trace: #0 /in/NFvE0(43): Foo->doAction() #1 {main} thrown in /in/NFvE0 on line 13
Process exited with code 255.
Output for 5.6.8 - 5.6.28
Notice: Undefined variable: bar in /in/NFvE0 on line 13 Fatal error: Call to a member function getVar() on null in /in/NFvE0 on line 13
Process exited with code 255.
Output for 5.3.19 - 5.5.35
Notice: Undefined variable: bar in /in/NFvE0 on line 13 Fatal error: Call to a member function getVar() on a non-object in /in/NFvE0 on line 13
Process exited with code 255.