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