array ( 0 => 'index.php', 1 => 'PHP Manual', ), 'head' => array ( 0 => 'UTF-8', 1 => 'zh', ), 'this' => array ( 0 => 'filesystemiterator.rewind.php', 1 => 'FilesystemIterator::rewind', 2 => 'Rewinds back to the beginning', ), 'up' => array ( 0 => 'class.filesystemiterator.php', 1 => 'FilesystemIterator', ), 'prev' => array ( 0 => 'filesystemiterator.next.php', 1 => 'FilesystemIterator::next', ), 'next' => array ( 0 => 'filesystemiterator.setflags.php', 1 => 'FilesystemIterator::setFlags', ), 'alternatives' => array ( ), 'source' => array ( 'lang' => 'en', 'path' => 'reference/spl/filesystemiterator/rewind.xml', ), 'history' => array ( ), ); $setup["toc"] = $TOC; $setup["toc_deprecated"] = $TOC_DEPRECATED; $setup["parents"] = $PARENTS; manual_setup($setup); contributors($setup); ?>

FilesystemIterator::rewind

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

FilesystemIterator::rewindRewinds back to the beginning

说明

public FilesystemIterator::rewind(): void

Rewinds the directory back to the start.

参数

此函数没有参数。

返回值

没有返回值。

示例

示例 #1 FilesystemIterator::rewind() example

<?php
$iterator
= new FilesystemIterator(dirname(__FILE__), FilesystemIterator::KEY_AS_FILENAME);

echo
$iterator->key() . "\n";

$iterator->next();
echo
$iterator->key() . "\n";

$iterator->rewind();
echo
$iterator->key() . "\n";
?>

以上示例的输出类似于:

apple.jpg
banana.jpg
apple.jpg

参见