public static function getRecentRecord($device_ids) { $result = array(); foreach ($device_ids as $device_id) { $l_measurements_history = \Model_L_Measurements_History::query()->where("device_id", $device_id)->order_by(array("captured_at" => "DESC"))->get_one(); $result[$device_id] = $l_measurements_history; } return $result; }