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PHP Manual
DirectoryIterator
Rewind the DirectoryIterator back to the start

DirectoryIterator::rewind

(PHP 5, PHP 7, PHP 8)

DirectoryIterator::rewind — Rewind the DirectoryIterator back to the start

說(shuō)明

public DirectoryIterator::rewind(): void

Rewind the DirectoryIterator back to the start.

參數

此函數沒(méi)有參數。

返回值

沒(méi)有返回值。

范例

示例 #1 DirectoryIterator::rewind() example


<?php
$iterator = new DirectoryIterator(dirname(__FILE__));

$iterator->next();
echo $iterator->key(); //1

$iterator->rewind(); //rewinding to the beginning
echo $iterator->key(); //0
?>

參見(jiàn)

DirectoryIterator::current() - Return the current DirectoryIterator item
DirectoryIterator::key() - Return the key for the current DirectoryIterator item
DirectoryIterator::next() - Move forward to next DirectoryIterator item
DirectoryIterator::valid() - Check whether current DirectoryIterator position is a valid file
Iterator::rewind() - 返回到迭代器的第一個(gè)元素

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