5.5.15

DirectoryIterator::getExtension

(PHP 5 >= 5.3.6)

DirectoryIterator::getExtensionGets the file extension

Description

public string DirectoryIterator::getExtension ( void )

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

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