(PHP 5 >= 5.1.2)
XMLReader::setParserProperty — Set or Unset parser options
Set or Unset parser option for the parser. The options must be set after xmlreader-open() or xmlreader-xml() are called and before the first xmlreader-read() call.
One of the parser option constants.
If set to TRUE the option will be enabled otherwise will be disabled.
成功时返回 TRUE, 或者在失败时返回 FALSE.