DirectoryIterator::key

(PHP 5)

DirectoryIterator::keyReturn the key for the current DirectoryIterator item

Description

public string DirectoryIterator::key ( void )

Get the key for the current DirectoryIterator item.

Parameters

This function has no parameters.

Return Values

The key for the current DirectoryIterator item.

Examples

Example #1 A DirectoryIterator::key() example

<?php
$dir 
= new DirectoryIterator(dirname(__FILE__));
foreach (
$dir as $fileinfo) {
    if (!
$fileinfo->isDot()) {
        echo 
$fileinfo->key() . " => " $fileinfo->getFilename() . "\n";
    }
}
?>

The above example will output something similar to:

0 => apple.jpg
1 => banana.jpg
2 => index.php
3 => pear.jpg

See Also

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