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<?php abstract class ArrayBase extends \ArrayObject { } class SpecializedArray extends ArrayBase { } $a = new SpecializedArray; $a->append("a"); var_dump($a); var_dump($a->getArrayCopy()); var_dump(["a"]); var_dump(["a"] == $a->getArrayCopy());
Output for git.master, git.master_jit, rfc.property-hooks
object(SpecializedArray)#1 (1) { ["storage":"ArrayObject":private]=> array(1) { [0]=> string(1) "a" } } array(1) { [0]=> string(1) "a" } array(1) { [0]=> string(1) "a" } bool(true)

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