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<bzwritecal_days_in_month>
Last updated: Mon, 16 Jul 2012

VIII. 日历函数库

简介

日历扩展是由一系列简单的日历格式转换函数组成。媒介或标准是基于儒略日计数 (Julian Day Count)。儒略日计数是从公元前 4713 年一月一日开始计算的。在不同的日历系统中转换,您必须先将其转换为儒略日计数,然后转换为目标日历格式。儒略日计数与罗马儒略历 (Julian Calendar) 完全不同!更多关于儒略日计数的信息,请访问 http://www.hermetic.ch/cal_stud/jdn.htm。更多关于日历系统的信息,请访问 information on calendar systems visit http://www.boogle.com/info/cal-overview.html。从此页面引用的信息包含了这些介绍,并且是用引好括起来的。

安装

To get these functions to work, you have to compile PHP with --enable-calendar.

PHP 的 Windows 版本已经内置该扩展模块的支持。无需加载任何附加扩展库即可使用这些函数。

运行时配置

本扩展模块在 php.ini 中未定义任何设置指令。

资源类型

本扩展模块未定义任何资源类型。

预定义常量

以下常量由本扩展模块定义,因此只有在本扩展模块被编译到 PHP 中,或者在运行时被动态加载后才有效。

CAL_GREGORIAN (integer)

CAL_JULIAN (integer)

CAL_JEWISH (integer)

CAL_FRENCH (integer)

CAL_NUM_CALS (integer)

CAL_DOW_DAYNO (integer)

CAL_DOW_SHORT (integer)

CAL_DOW_LONG (integer)

CAL_MONTH_GREGORIAN_SHORT (integer)

CAL_MONTH_GREGORIAN_LONG (integer)

CAL_MONTH_JULIAN_SHORT (integer)

CAL_MONTH_JULIAN_LONG (integer)

CAL_MONTH_JEWISH (integer)

CAL_MONTH_FRENCH (integer)

The following constants are available since PHP 4.3.0 :

CAL_EASTER_DEFAULT (integer)

CAL_EASTER_ROMAN (integer)

CAL_EASTER_ALWAYS_GREGORIAN (integer)

CAL_EASTER_ALWAYS_JULIAN (integer)

The following constants are available since PHP 5.0.0 :

CAL_JEWISH_ADD_ALAFIM_GERESH (integer)

CAL_JEWISH_ADD_ALAFIM (integer)

CAL_JEWISH_ADD_GERESHAYIM (integer)

目录
cal_days_in_month -- Return the number of days in a month for a given year and calendar
cal_from_jd -- Converts from Julian Day Count to a supported calendar
cal_info -- Returns information about a particular calendar
cal_to_jd -- Converts from a supported calendar to Julian Day Count
easter_date --  Get Unix timestamp for midnight on Easter of a given year
easter_days --  Get number of days after March 21 on which Easter falls for a given year
FrenchToJD --  Converts a date from the French Republican Calendar to a Julian Day Count
GregorianToJD --  Converts a Gregorian date to Julian Day Count
JDDayOfWeek -- Returns the day of the week
JDMonthName -- Returns a month name
JDToFrench --  Converts a Julian Day Count to the French Republican Calendar
JDToGregorian -- Converts Julian Day Count to Gregorian date
jdtojewish --  Converts a Julian day count to a Jewish calendar date
JDToJulian --  Converts a Julian Day Count to a Julian Calendar Date
jdtounix -- Convert Julian Day to Unix timestamp
JewishToJD --  Converts a date in the Jewish Calendar to Julian Day Count
JulianToJD --  Converts a Julian Calendar date to Julian Day Count
unixtojd -- Convert Unix timestamp to Julian Day



<bzwritecal_days_in_month>
 Last updated: Mon, 16 Jul 2012
 
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