Online PHP editor | refs for a3iFn

<?php $l = new SPLDoublyLinkedList(); $l->setIteratorMode(SplDoublyLinkedList::IT_MODE_DELETE); $l->setIteratorMode(SplDoublyLinkedList::IT_MODE_LIFO); $mode = $l->getIteratorMode(); var_dump("MODE: $mode"); var_dump("MODE CHECKS"); var_dump(($mode & SplDoublyLinkedList::IT_MODE_LIFO) == SplDoublyLinkedList::IT_MODE_LIFO); var_dump(($mode & SplDoublyLinkedList::IT_MODE_FIFO) == SplDoublyLinkedList::IT_MODE_FIFO); var_dump(($mode & SplDoublyLinkedList::IT_MODE_DELETE) == SplDoublyLinkedList::IT_MODE_DELETE); var_dump(($mode & SplDoublyLinkedList::IT_MODE_KEEP) == SplDoublyLinkedList::IT_MODE_KEEP); $l->push('A'); $l->push('B'); $l->push('C'); $l->push('D'); $l->rewind(); var_dump("Traversing"); var_dump($l->isEmpty()); var_dump($l->count()); var_dump($l->current()); $l->next(); var_dump($l->count()); var_dump($l->current()); $l->next(); var_dump($l->count()); var_dump($l->current()); $l->next(); var_dump($l->count()); var_dump($l->current()); $l->next(); var_dump($l->count()); var_dump($l->isEmpty());