(PHP 5, PHP 7, PHP 8)
DirectoryIterator::key — Return the key for the current DirectoryIterator item
Bu işlevin bağımsız değişkeni yoktur.
The key for the current DirectoryIterator item as an int.
Sürüm: | Açıklama |
---|---|
8.1.0 |
When the iterator is uninitialized, an Error is
thrown now. Previously, the method returned false .
|
Örnek 1 A DirectoryIterator::key() example
<?php
$dir = new DirectoryIterator(dirname(__FILE__));
foreach ($dir as $fileinfo) {
if (!$fileinfo->isDot()) {
echo $fileinfo->key() . " => " . $fileinfo->getFilename() . "\n";
}
}
?>
Yukarıdaki örnek şuna benzer bir çıktı üretir:
0 => apple.jpg 1 => banana.jpg 2 => index.php 3 => pear.jpg