FilesystemIterator::key

(PHP 5 >= 5.3.0, PHP 7)

FilesystemIterator::key — Retrieve the key for the current file

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public FilesystemIterator::key ( void ) : string

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Returns the pathname or filename depending on the set flags. See the FilesystemIterator constants.

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Example #1 FilesystemIterator::key() example

This example will list the contents of the directory containing the script.


<?php
$iterator = new FilesystemIterator(dirname(__FILE__), FilesystemIterator::KEY_AS_FILENAME);
foreach ($iterator as $fileinfo) {
    echo $iterator->key() . "\n";
}
?>

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apple.jpg
banana.jpg
example.php

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FilesystemIterator constants
DirectoryIterator::key() - Return the key for the current DirectoryIterator item
DirectoryIterator::getFilename() - Return file name of current DirectoryIterator item
DirectoryIterator::getPathname() - Return path and file name of current DirectoryIterator item