/**
* Sets current database's index.
*
*
* You may use this function to select the database you want to use.
*
* @version 0.2.0b+SVN
* @since 0.2.0b+SVN
* @set current database handle.
*/
public static function setCurrentDB($db_id = self::DB_DEFAULT_ID)
{
if (isset($db_id) && $db_id >= 0) {
self::$db_cur = $db_id;
}
}