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<?php $o = new class () { public string $foo = 'bar'; protected string $baz = 'qux'; private string $xyz = 'xyz'; }; $ao = new ArrayObject($o, ArrayObject::ARRAY_AS_PROPS); var_dump((object) $ao->getArrayCopy());
Output for 8.1.32, 8.2.25 - 8.2.29, 8.3.5 - 8.3.25, 8.4.1 - 8.4.12
object(stdClass)#3 (3) { ["foo"]=> string(3) "bar" ["baz":protected]=> string(3) "qux" ["xyz":"class@anonymous":private]=> string(3) "xyz" }

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