FilesystemIterator::rewind

(PHP 5 >= 5.3.0, PHP 7)

FilesystemIterator::rewind — Rewinds back to the beginning

说明

public FilesystemIterator::rewind ( void ) : 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。

范例

Example #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";
?>

以上例程的输出类似于：

apple.jpg
banana.jpg
apple.jpg

参见

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