SplDoublyLinkedList::rewind

(PHP 5 >= 5.3.0, PHP 7, PHP 8)

SplDoublyLinkedList::rewind — Rewind iterator back to the start

说明

public SplDoublyLinkedList::rewind(): void

This rewinds the iterator to the beginning.

参数

此函数没有参数。

返回值

没有返回值。

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lincoln dot du dot j at gmail dot com ¶

7 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

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备份地址：http://www.lvesu.com/blog/php/spldoublylinkedlist.rewind.php