PHP pathinfo() Function Usage and Example

PHP Filesystem Reference Manual

The pathinfo() function can return an array containing information about the path. If options are specified, it will return the specified elements; they include: PATHINFO_DIRNAME, PATHINFO_BASENAME, and PATHINFO_EXTENSION or PATHINFO_FILENAME. If no options are specified, it defaults to returning all elements.

Syntax

mixed pathinfo ( string $path [, int $options = PATHINFO_DIRNAME | PATHINFO_BASENAME | PATHINFO_EXTENSION | PATHINFO_FILENAME ] )

The pathinfo() function can return information about the path: an associative array or a string, depending on the options.

Example1

<?php
　　　print_r(pathinfo("/PhpProject/simple.txt"));
?>

Output Result

Array
(
　　　　[dirname] =>　/PhpProject1
　　　　[basename] => simple.txt
　　　　[extension] => txt
　　　　[filename] => simple
)

Example2

<?php
　　　print_r(pathinfo("/PhpProject/simple.txt, PATHINFO_BASENAME));
?>

Output Result

simple.txt

PHP Filesystem Reference Manual