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<?php /** * @return array<string, mixed> */ function objectToArray(object $object): array { return (fn (): array => get_object_vars($this))->call($object); } final class A { private $a = 'incapsulated string'; } var_dump(objectToArray(new A()));
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["a"]=> string(19) "incapsulated string" }

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