(PHP 5, PHP 7)
Return the key for the current DirectoryIterator item
public string DirectoryIterator::key ( void )
Get the key for the current DirectoryIterator item.
Returns:
The key for the current DirectoryIterator item.
Examples:
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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