<?php class Foo { public int $bar = 42; public function &getIterator() { foreach([1, &$this->bar] as &$item) { yield $item; } } } $foo = new Foo(); foreach($foo->getIterator() as &$item) { $a = &$item; } $a = "blah"; var_dump($foo);
You have javascript disabled. You will not be able to edit any code.