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<?php class Foo { public $items = array(1,2,3); function getItems() { return $this->items; } } $foo = new Foo(); foreach($foo->getItems() as &$item) { echo $item, PHP_EOL; $item = '-1'; } var_dump($foo->getItems());
Output for git.master, git.master_jit, rfc.property-hooks
1 2 3 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }

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