(PHP 4 >= 4.0.0)

realpath -- Returns canonicalized absolute pathname


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

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

See also: basename(), dirname(), and path_info().