public function relative_file_root_path()
    {
        $subDirs = implode('/', $this->subDirs);
        if ($subDirs) {
            $subDirs .= '/';
        }
        return $subDirs . $this->fileRoot;
    }
public function relative_file_root_path()
    {
        $subDirs = implode('/', $this->subDirs);
        if ($subDirs) {
            $subDirs .= '/';
        }
        return $subDirs . $this->fileRoot;
    }
public function relative_file_root_path ( ) { $ subDirs = implode ( '/' , $ this -> subDirs ) ; if ( $ subDirs ) { $ subDirs .= '/' ; } return $ subDirs . $ this -> fileRoot ; }
Sub dirs + file root
Sub dirs + file root