Online PHP editor | refs for IabOf

<?php class C { private $myCodeCapsule; public function store($context) { $this->myCodeCapsule = $context; } public function execute() { $this->myCodeCapsule->__invoke(); } } $obj = new C; $x = null; $obj->store(function () use (&$x) { $x = 1; }); $x=0; $obj->execute(); var_dump($x);