PHP pathinfo

Summary: in this tutorial, you will learn how to use the PHP pathinfo() function to get the information on a file path.

Introduction to the PHP pathinfo() function

The PHP pathinfo() function accepts a file path and returns its components:

pathinfo ( string $path , int $flags = PATHINFO_ALL ) : array|stringCode language: PHP (php)

The pathinfo() function has two parameters:

• $path is the file path from which you want to get the information.
• $flags parameter specifies the part element to return.

The following table shows the valid flag values:

If you don’t pass the $flag argument, the pathinfo() function will return all components of a file path.

PHP pathinfo() function examples

Let’s take some examples of using the pathinfo() function.

1) Using the pathinfo() function to get all components of a file path

The following example uses the pathinfo() function to get the components of a file path:

<?php

$path = 'htdocs/phptutorial/index.php';

$parts = pathinfo($path);

print_r($parts);Code language: HTML, XML (xml)

Output:

Array
(
    [dirname] => htdocs/phptutorial
    [basename] => index.php
    [extension] => php
    [filename] => index
)Code language: PHP (php)

2) Using the pathinfo() function to get only a specific component of a file path

The following example uses the pathinfo() function get the basename of a file path:

<?php

$path = 'htdocs/phptutorial/index.php';

$basename = pathinfo($path, PATHINFO_BASENAME);

echo $basename;Code language: HTML, XML (xml)

Output:

index.phpCode language: CSS (css)

3) Using the pathinfo() function to get the path components of a dot-file path

The following example uses the pathinfo() function to get components of the path of a dot-file:

<?php

$path = '/htdocs/phptutorial/.gitignore';

$parts = pathinfo($path);

print_r($parts);Code language: HTML, XML (xml)

Output:

Array
(
    [dirname] => /htdocs/phptutorial
    [basename] => .gitignore
    [extension] => gitignore
    [filename] =>
)Code language: PHP (php)

Summary

• Use the PHP pathinfo() function to get the components of a file path including dirname, basename, filename, and extesion.