elFinderVolumeFTP::_relpath PHP Method

    protected function _relpath($path)
    {
        if ($path === $this->root) {
            return '';
        } else {
            if (strpos($path, $this->root) === 0) {
                return ltrim(substr($path, strlen($this->root)), $this->separator);
            } else {
                // for link
                return $path;
            }
        }
    }