(PHP 5, PHP 7)
DirectoryIterator::rewind — Rewind the DirectoryIterator back to the start
此函数没有参数。
没有返回值。
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
?>