- PHP 手册
- 函数参考
- 其它基本扩展
- SPL
- 数据结构
- SplDoublyLinkedList
SplDoublyLinkedList::rewind
(PHP 5 >= 5.3.0, PHP 7, PHP 8)
SplDoublyLinkedList::rewind — Rewind iterator back to the start
说明
public SplDoublyLinkedList::rewind(): voidThis rewinds the iterator to the beginning.
参数
此函数没有参数。
返回值
没有返回值。
User Contributed Notes 1 note
up down 0 lincoln dot du dot j at gmail dot com ¶4 years ago
$dll = new SplDoublyLinkedList();
$dll->push(2);
$dll->push(3);
$dll->unshift(5);
$dll->rewind(); // starting from beginning without this it will not work
while($dll->valid()){
echo $dll->current()."\n";
$dll->next();
}
//Output
5
2
3
add a note
官方地址：https://www.php.net/manual/en/spldoublylinkedlist.rewind.php