cal_to_jd
(PHP 4 >= 4.0.7, PHP 5)
cal_to_jd — Converts from a supported calendar to Julian Day Count
说明
int cal_to_jd
( int $calendar
, int $month
, int $day
, int $year
)
cal_to_jd() calculates the Julian day count for a date in the specified calendar . Supported calendar s are CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH and CAL_FRENCH.
参数
- calendar
-
Calendar to convert from, one of CAL_GREGORIAN, CAL_JULIAN, CAL_JEWISH or CAL_FRENCH.
- month
-
The month as a number, the valid range depends on the calendar
- day
-
The day as a number, the valid range depends on the calendar
- year
-
The year as a number, the valid range depends on the calendar
返回值
A Julian Day number.
CDN