DirectoryIterator::getCTime
DirectoryIterator::getFilename
DirectoryIterator
PHP Manual

# DirectoryIterator::getExtension

(PHP 5 >= 5.3.6)

DirectoryIterator::getExtension — Gets the file extension

### Beschreibung

public string DirectoryIterator::getExtension ( void )

Retrieves the file extension.

### Parameter-Liste

Diese Funktion hat keine Parameter.

### Rückgabewerte

Returns a string containing the file extension, or an empty string if the file has no extension.

### Beispiele

Beispiel #1 DirectoryIterator::getExtension() example

`<?php
$directory = new DirectoryIterator(__DIR__);
foreach ($directory as $fileinfo) {
if ($fileinfo->isFile()) {
echo $fileinfo->getExtension() . "\n";
}
}
?>`

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

    php
    txt
    jpg
    gz

### Anmerkungen

> Hinweis:

> This method is only available as of PHP 5.3.6. Another way of getting the extension is to use the pathinfo() function.

> `<?php
> $extension = pathinfo($fileinfo->getFilename(), PATHINFO_EXTENSION);
> ?>`

### Siehe auch

- DirectoryIterator::getFilename() - Return file name of current DirectoryIterator item.
- DirectoryIterator::getBasename() - Get base name of current DirectoryIterator item.
- pathinfo() - Liefert Informationen über einen Dateipfad

DirectoryIterator::getCTime
DirectoryIterator::getFilename
DirectoryIterator
PHP Manual