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SplFileInfo::getExtension

(PHP 5 >= 5.3.6, PHP 7)

SplFileInfo::getExtension — Gets the file extension

Description

public SplFileInfo::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 SplFileInfo::getExtension() example

<?php

$info = new SplFileInfo('foo.txt');
var_dump($info->getExtension());

$info = new SplFileInfo('photo.jpg');
var_dump($info->getExtension());

$info = new SplFileInfo('something.tar.gz');
var_dump($info->getExtension());

?>

The above example will output:

string(3) "txt"
string(3) "jpg"
string(2) "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
$extension = pathinfo($info->getFilename(), PATHINFO_EXTENSION);
?>