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.
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CAL_EASTER_DEFAULT
(int) - For easter_days(): calculate Easter for years before 1753 according to the Julian calendar, and for later years according to the Gregorian calendar.
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CAL_EASTER_ROMAN
(int) - For easter_days(): calculate Easter for years before 1583 according to the Julian calendar, and for later years according to the Gregorian calendar.
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CAL_EASTER_ALWAYS_GREGORIAN
(int) - For easter_days(): calculate Easter according to the proleptic Gregorian calendar.
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CAL_EASTER_ALWAYS_JULIAN
(int) - For easter_days(): calculate Easter according to the Julian calendar.
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CAL_GREGORIAN
(int) - For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the proleptic Gregorian calendar.
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CAL_JULIAN
(int) - For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the Julian calendar.
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CAL_JEWISH
(int) - For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the Jewish calendar.
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CAL_FRENCH
(int) - For cal_days_in_month(), cal_from_jd(), cal_info() and cal_to_jd(): use the French Repuclican calendar.
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CAL_NUM_CALS
(int) - The number of available calendars.
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CAL_JEWISH_ADD_ALAFIM_GERESH
(int) - For jdtojewish(): adds a geresh symbol (which resembles a single-quote mark) as thousands separator to the year number.
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CAL_JEWISH_ADD_ALAFIM
(int) - For jdtojewish(): adds the word alafim as thousands separator to the year number.
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CAL_JEWISH_ADD_GERESHAYIM
(int) - For jdtojewish(): add a gershayim symbol (which resembles a double-quote mark) before the final letter of the day and year numbers.
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CAL_DOW_DAYNO
(int) -
For jddayofweek(): the day of the week as
int, where
0
means Sunday and6
means Saturday. -
CAL_DOW_SHORT
(int) - For jddayofweek(): the abbreviated English name of the day of the week.
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CAL_DOW_LONG
(int) - For jddayofweek(): the English name of the day of the week.
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CAL_MONTH_GREGORIAN_SHORT
(int) - For jdmonthname(): the abbreviated Gregorian month name.
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CAL_MONTH_GREGORIAN_LONG
(int) - For jdmonthname(): the Gregorian month name.
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CAL_MONTH_JULIAN_SHORT
(int) - For jdmonthname(): the abbreviated Julian month name.
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CAL_MONTH_JULIAN_LONG
(int) - For jdmonthname(): the Julian month name.
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CAL_MONTH_JEWISH
(int) - For jdmonthname(): the Jewish month name.
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CAL_MONTH_FRENCH
(int) - For jdmonthname(): the French Republican month name.