(PHP >= 5.3.0, PECL phar >= 2.0.0)
PharData::setStub — dummy function (Phar::setStub is not valid for PharData)
Non-executable tar/zip archives cannot have a stub, so this method simply throws an exception.
A string or an open stream handle to use as the executable stub for this phar archive. This parameter is ignored.
成功时返回 TRUE， 或者在失败时返回 FALSE.
Throws PharException on all method calls