php教程

DirectoryIterator::rewind

(PHP 5, PHP 7)

DirectoryIterator::rewindRewind the DirectoryIterator back to the start

说明

public DirectoryIterator::rewind ( void ) : void

Rewind the DirectoryIterator back to the start.

参数

此函数没有参数。

返回值

没有返回值。

范例

Example #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
?>

参见

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