1--TEST-- 2Create a SplDoublyLinkedList, call setIteratorMode() and pass a SplDoublyLinkedList object as the parameter. 3--CREDITS-- 4Philip Norton philipnorton42@gmail.com 5--FILE-- 6<?php 7$dll = new SplDoublyLinkedList(2); 8$dll->setIteratorMode(new SplDoublyLinkedList(2)); 9?> 10--EXPECTF-- 11Warning: SplDoublyLinkedList::setIteratorMode() expects parameter 1 to be integer, object given in %s on line %d