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<?php class MyArrayObject extends ArrayObject { } $stack = new MyArrayObject; $stack['bar']['foo'] = "hello"; var_dump($stack);
Output for git.master, git.master_jit, rfc.property-hooks
object(MyArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(1) { ["bar"]=> array(1) { ["foo"]=> string(5) "hello" } } }

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