(PHP 5 >= 5.1.0)
XMLReader::setParserProperty — Set parser options
$property
   , bool $value
   )Set parser options. The options must be set after XMLReader::open() or XMLReader::xml() are called and before the first XMLReader::read() call.
propertyOne of the parser option constants.
value
       If set to TRUE the option will be enabled otherwise will 
       be disabled.
      
   Returns TRUE on success or FALSE on failure.