Retrieve the key for the current file in FilesystemIterator in PHP

Description

The following code shows how to retrieve the key for the current file in FilesystemIterator.

Example

//from  w w w . j  a va 2s  .c o  m
<?php
$iterator = new FilesystemIterator(dirname(__FILE__), FilesystemIterator::KEY_AS_FILENAME);
foreach ($iterator as $fileinfo) {
    echo $iterator->key() . "\n";
}
?>

The code above generates the following result.