Php/docs/directoryiterator.getextension

From Get docs

DirectoryIterator::getExtension

(PHP 5 >= 5.3.6, PHP 7)

DirectoryIterator::getExtensionGets the file extension


Description

public DirectoryIterator::getExtension ( ) : string

Retrieves the file extension.


Parameters

This function has no parameters.


Return Values

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


Examples

Example #1 DirectoryIterator::getExtension() example

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

The above example will output something similar to:


php
txt
jpg
gz

Notes

Note:

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);?>

See Also