function touch($path, $owner = null)
    {
        touch($path);

        if ($owner) {
            $this->chown($path, $owner);
        }

        return $path;
    }
function touch($path, $owner = null)
    {
        touch($path);

        if ($owner) {
            $this->chown($path, $owner);
        }

        return $path;
    }
function touch ( $ path , $ owner = null ) { touch ( $ path ) ; if ( $ owner ) { $ this -> chown ( $ path , $ owner ) ; } return $ path ; }
Touch the given path.

@param  string  $path
@param  string|null  $owner
@return string
Touch the given path .