function export_to_xml($question, $format, $extra = null)
 {
     return wrsqz_export_to_xml('match', 'wmatprom', $question, $format, $extra);
 }
	function export_to_xml($question, $format, $extra = null) {
		return wrsqz_export_to_xml('truefalse', 'wtrflsprom', $question, $format, $extra);
	}
 function export_to_xml($question, $format, $extra = null)
 {
     return wrsqz_export_to_xml('essay', 'wessaprom', $question, $format, $extra);
 }
 function export_to_xml($question, $format, $extra = null)
 {
     return wrsqz_export_to_xml('multianswer', 'wmansprom', $question, $format, $extra);
 }
 function export_to_xml($question, $format, $extra = null)
 {
     return wrsqz_export_to_xml('multichoice', 'wmultiprom', $question, $format, $extra);
 }
 function export_to_xml($question, $format, $extra = null)
 {
     return wrsqz_export_to_xml('shortanswer', 'wshanprom', $question, $format, $extra);
 }