realpath

(PHP 4 >= 4.0.0)

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.

Example 1. realpath() example

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