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Predefined Constants

The constants below are defined by this extension, and will only be available when the extension has either been compiled into PHP or dynamically loaded at runtime.

CAL_EASTER_DEFAULT (integer)
For easter_days(): calculate Easter for years before 1753 according to the Julian calendar, and for later years according to the Gregorian calendar.
CAL_EASTER_ROMAN (integer)
For easter_days(): calculate Easter for years before 1583 according to the Julian calendar, and for later years according to the Gregorian calendar.
CAL_EASTER_ALWAYS_GREGORIAN (integer)
For easter_days(): calculate Easter according to the proleptic Gregorian calendar.
CAL_EASTER_ALWAYS_JULIAN (integer)
For easter_days(): calculate Easter according to the Julian calendar.
CAL_GREGORIAN (integer)
For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the proleptic Gregorian calendar.
CAL_JULIAN (integer)
For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the Julian calendar.
CAL_JEWISH (integer)
For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the Jewish calendar.
CAL_FRENCH (integer)
For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the French Repuclican calendar.
CAL_NUM_CALS (integer)
The number of available calendars.
CAL_JEWISH_ADD_ALAFIM_GERESH (integer)
For jdtojewish(): adds a geresh symbol (which resembles a single-quote mark) as thousands separator to the year number.
CAL_JEWISH_ADD_ALAFIM (integer)
For jdtojewish(): adds the word alafim as thousands separator to the year number.
CAL_JEWISH_ADD_GERESHAYIM (integer)
For jdtojewish(): add a gershayim symbol (which resembles a double-quote mark) before the final letter of the day and year numbers.
CAL_DOW_DAYNO (integer)
For jddayofweek(): the day of the week as integer, where 0 means Sunday and 6 means Saturday.
CAL_DOW_SHORT (integer)
For jddayofweek(): the abbreviated English name of the day of the week.
CAL_DOW_LONG (integer)
For jddayofweek(): the English name of the day of the week.
CAL_MONTH_GREGORIAN_SHORT (integer)
For jdmonthname(): the abbreviated Gregorian month name.
CAL_MONTH_GREGORIAN_LONG (integer)
For jdmonthname(): the Gregorian month name.
CAL_MONTH_JULIAN_SHORT (integer)
For jdmonthname(): the abbreviated Julian month name.
CAL_MONTH_JULIAN_LONG (integer)
For jdmonthname(): the Julian month name.
CAL_MONTH_JEWISH (integer)
For jdmonthname(): the Jewish month name.
CAL_MONTH_FRENCH (integer)
For jdmonthname(): the French Republican month name.
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