$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
Move the iterator to the next node.
此函数没有参数。
没有返回值。
$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
}