version OhlcSt/1.0;DailyOhlcvApi/1.0.0;PHP market interval Zaif_mona_btc 1800 timestamp open high low close volume vwap 2019/04/12-00:00:00 2019/04/12-00:30:00 2019/04/12-01:00:00 2019/04/12-01:30:00 2019/04/12-02:00:00 2019/04/12-02:30:00 2019/04/12-03:00:00 2019/04/12-03:30:00 2019/04/12-04:00:00 2019/04/12-04:30:00 2019/04/12-05:00:00 2019/04/12-05:30:00 2019/04/12-06:00:00 2019/04/12-06:30:00 2019/04/12-07:00:00 2019/04/12-07:30:00 2019/04/12-08:00:00 2019/04/12-08:30:00 2019/04/12-09:00:00 2019/04/12-09:30:00 2019/04/12-10:00:00 2019/04/12-10:30:00 2019/04/12-11:00:00 2019/04/12-11:30:00 2019/04/12-12:00:00 2019/04/12-12:30:00 2019/04/12-13:00:00 2019/04/12-13:30:00 2019/04/12-14:00:00 2019/04/12-14:30:00 2019/04/12-15:00:00 2019/04/12-15:30:00 2019/04/12-16:00:00 2019/04/12-16:30:00 2019/04/12-17:00:00 2019/04/12-17:30:00 2019/04/12-18:00:00 2019/04/12-18:30:00 2019/04/12-19:00:00 2019/04/12-19:30:00 2019/04/12-20:00:00 2019/04/12-20:30:00 2019/04/12-21:00:00 2019/04/12-21:30:00 2019/04/12-22:00:00 2019/04/12-22:30:00 2019/04/12-23:00:00 2019/04/12-23:30:00