GoLang DirectoryIterator::key

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PHP DirectoryIterator::key

PHP original manual for DirectoryIterator::key [ show | php.net ]

DirectoryIterator::key

(PHP 5, PHP 7)

DirectoryIterator::key — Return 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