(PHP 5, PHP 7, PHP 8)
DirectoryIterator::key — Return the key for the current DirectoryIterator item
Get the key for the current DirectoryIterator item.
Questa funzione non contiene parametri.
The key for the current DirectoryIterator item as an int.
Versione | Descrizione |
---|---|
8.1.0 |
When the iterator is uninitialized, an Error is
thrown now. Previously, the method returned false .
|
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";
}
}
?>
Il precedente esempio visualizzerà qualcosa simile a:
0 => apple.jpg 1 => banana.jpg 2 => index.php 3 => pear.jpg