public function getHome()
    {
        $home = null;

        if (!empty(getenv('HOME'))) {
            // Try the environmental variables.
            $home = getenv('HOME');
        } elseif (!empty($_SERVER['HOME'])) {
            // If not in the environment variables, check the superglobal $_SERVER as
            // a last resort.
            $home = $_SERVER['HOME'];
        } elseif (!empty(getenv('HOMEDRIVE')) && !empty(getenv('HOMEPATH'))) {
            // If the 'HOME' environmental variable wasn't found, we may be on
            // Windows.
            $home = getenv('HOMEDRIVE') . getenv('HOMEPATH');
        } elseif (!empty($_SERVER['HOMEDRIVE']) && !empty($_SERVER['HOMEPATH'])) {
            $home = $_SERVER['HOMEDRIVE'] . $_SERVER['HOMEPATH'];
        }

        if ($home === null) {
            throw new UnexpectedValueException('Could not locate home directory.');
        }

        return rtrim($home, '\\/');
    }