DirectoryIterator::getExtension

(PHP 5 >= 5.3.6, PHP 7, PHP 8)

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:

Another way of getting the extension is to use the pathinfo() function.

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

See Also