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Page 1 of 2 PHP Calendar Introduction The calendar functions are useful when working with different calendar formats. The standard it is based on is the Julian day count (Julian day count is a count of days starting from January 1, 4713 B.C.). Note that the Julian day count is not the same as the Julian calendar! Note: To exchange between calendar formats, you must first convert to Julian day count, then to the calendar format. Installation The windows version of PHP has built-in support for the calendar extension. So, the calendar functions will work automatically. However, if you are organization the Linux version of PHP, you will have to compile PHP with --enable-calendar to get the calendar functions to work. PHP Calendar Functions PHP: indicates the earliest version of PHP that supports the function. | Function | Description | PHP |
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cal_days_in_month() | Returns the number of days in a month for a specified year and calendar | 4 | cal_from_jd() | Converts a Julian day count into a date of a specified calendar | 4 | cal_info() | Returns information about a given calendar | 4 | cal_to_jd() | Converts a date to Julian day count | 4 | easter_date() | Returns the Unix timestamp for midnight on Easter of a specified year | 3 | easter_days() | Returns the number of days after March 21, on which Easter falls for a specified year | 3 | FrenchToJD() | Converts a French Republican date to a Julian day count | 3 | GregorianToJD() | Converts a Gregorian date to a Julian day count | 3 | | JDDayOfWeek() | Returns the day of a week | 3 | JDMonthName() | Returns a month name | 3 | JDToFrench() | Converts a Julian day count to a French Republican date | 3 | JDToGregorian() | Converts a Julian day count to a Gregorian date | 3 | jdtojewish() | Converts a Julian day count to a Jewish date | 3 | JDToJulian() | Converts a Julian day count to a Julian date | 3 | jdtounix() | Converts a Julian day count to a Unix timestamp | 4 | JewishToJD() | Converts a Jewish date to a Julian day count | 3 | JulianToJD() | Converts a Julian date to a Julian day count | 3 | unixtojd() | Converts a Unix timestamp to a Julian day count | 4 |
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Last Updated ( Thursday, 03 April 2008 )
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