$dll = new SplDoublyLinkedList();$dll->push(2);$dll->push(3);$dll->unshift(5);$dll->rewind();while($dll->valid()){ echo $dll->current().'<br />'; $dll->next();//switch to next list item}
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplDoublyLinkedList::next — Move to next entry
此函数没有参数。
没有返回值。