}
/**
- * @param int $year
- * @param int $month
+ * @param int|string $year Use '' or 0 to start with no year preselected.
+ * @param int|string $month A month in the 1..12 range. Use '', 0 or -1 to start with no month
+ * preselected.
* @return string Formatted HTML
*/
public static function dateMenu( $year, $month ) {