realpath

(PHP 4 , PHP 5)

realpath -- Returns canonicalized absolute pathname

Description

string realpath ( string path)

realpath() expands all symbolic links and resolves references to '/./', '/../' and extra '/' characters in the input path and return the canonicalized absolute pathname. The resulting path will have no symbolic link, '/./' or '/../' components.

realpath() returns FALSE on failure, e.g. if the file does not exists.

Example 1. realpath() example

<?php
$real_path
= realpath("../../index.php");
?>

See also basename(), dirname(), and pathinfo().