public static function find_by_in($field, $values, $format = "%s") { return MPM::find_by_in(self::k(__CLASS__), $field, $values, $format, MPU::table("field_sets")); }
public static function find_by_in($field, $values, $format = "%s") { return parent::find_by_in(self::k(__CLASS__), $field, $values, $format); }