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<?php $ar = new ArrayObject(['a', 'b']); var_dump($ar); var_dump((array)$ar);
Output for git.master, git.master_jit, rfc.property-hooks
object(ArrayObject)#1 (1) { ["storage":"ArrayObject":private]=> array(2) { [0]=> string(1) "a" [1]=> string(1) "b" } } array(2) { [0]=> string(1) "a" [1]=> string(1) "b" }

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