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 ¶

8 years ago

$dll = new SplDoublyLinkedList();$dll->push(2);$dll->push(3);$dll->unshift(5);$dll->rewind(); // starting from beginning without this it will not workwhile($dll->valid()){    echo $dll->current()."\n";    $dll->next();}//Output523