(PHP 4, PHP 5)
JDMonthName — 返回月份的名称
返回一个月份名称的字符串，mode参数指定使用哪种历法和月份名称的形式。
| Mode | Meaning | Values |
|---|---|---|
| 0 | Gregorian - abbreviated | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 1 | Gregorian | January, February, March, April, May, June, July, August, September, October, November, December |
| 2 | Julian - abbreviated | Jan, Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov, Dec |
| 3 | Julian | January, February, March, April, May, June, July, August, September, October, November, December |
| 4 | Jewish | Tishri, Heshvan, Kislev, Tevet, Shevat, AdarI, AdarII, Nisan, Iyyar, Sivan, Tammuz, Av, Elul |
| 5 | French Republican | Vendemiaire, Brumaire, Frimaire, Nivose, Pluviose, Ventose, Germinal, Floreal, Prairial, Messidor, Thermidor, Fructidor, Extra |
用来计算的julian天数
历法的月份的名字
根据指定的julian天数和calendar历法参数而得到月份的名称。