- PHP 手册
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- 其它基本扩展
- SPL
- 迭代器
- ArrayIterator
ArrayIterator::rewind
(PHP 5, PHP 7, PHP 8)
ArrayIterator::rewind — Rewind array back to the start
说明
public ArrayIterator::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。
范例
示例 #1 ArrayIterator::rewind() example
<?php
$arrayobject = new ArrayObject();
$arrayobject[] = 'zero';
$arrayobject[] = 'one';
$arrayobject[] = 'two';
$iterator = $arrayobject->getIterator();
$iterator->next();
echo $iterator->key(); //1
$iterator->rewind(); //rewinding to the beginning
echo $iterator->key(); //0
?>
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/arrayiterator.rewind.php