Php/docs/directoryiterator.key
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DirectoryIterator::key
(PHP 5, PHP 7)
DirectoryIterator::key — Return the key for the current DirectoryIterator item
Description
public DirectoryIterator::key ( ) : string
Get the key for the current DirectoryIterator item.
Parameters
This function has no parameters.
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
- DirectoryIterator::current() - Return the current DirectoryIterator item
- DirectoryIterator::next() - Move forward to next DirectoryIterator item
- DirectoryIterator::rewind() - Rewind the DirectoryIterator back to the start
- DirectoryIterator::valid() - Check whether current DirectoryIterator position is a valid file
- Iterator::key() - Return the key of the current element