$result = sql_query("INSERT INTO `Shifts` SET
      `shifttype_id`='" . sql_escape($shift['shifttype_id']) . "',
      `start`='" . sql_escape($shift['start']) . "',
      `end`='" . sql_escape($shift['end']) . "',
      `RID`='" . sql_escape($shift['RID']) . "',