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<?php try { $dll = new SplDoublyLinkedList(); var_dump($dll->add(12,'Offset 12 should not exist')); } catch (OutOfRangeException $e) { echo "Exception: ".$e->getMessage()."\n"; } ?>
Output for git.master, git.master_jit, rfc.property-hooks
Exception: SplDoublyLinkedList::add(): Argument #1 ($index) is out of range

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