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SplDoublyLinkedList::rewind

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

SplDoublyLinkedList::rewindRewind 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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User Contributed Notes 1 note

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lincoln dot du dot j at gmail dot com
6 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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