Online PHP editor | output for pOkj4

<?php class Foo { private $bar; public function getBar() { return $this->bar; } } class FooProxy extends Foo { public function getBar() { $this->init(); return parent::getBar(); } private function init() { \Closure::bind(function (Foo $foo, $value) { $foo->bar = $value; }, null, \get_parent_class($this))($this, 'bar42'); } } $foo = new FooProxy(); var_dump($foo->getBar());