c:/www/apache/doc2//pear/Date/Calc.phpMonte Ohrtmanipulate calendar dates and retrieve dates in a calendarformat. It does not rely on 32-bit system date stamps, soyou can display calendars and compare dates that datepre 1970 and post 2038.This source file is subject to version 2.02 of the PHP license,that is bundled with this package in the file LICENSE, and isavailable at through the world-wide-web athttp://www.php.net/license/2_02.txt.If you did not receive a copy of the PHP license and are unable toobtain it through the world-wide-web, please send a note tolicense@php.net so we can mail you a copy immediately.Copyright (c) 1999, 2000 ispiDate_Calc is a calendar class used to calculate and1.2.2strftime() format to return the datethe current date in specified formatretrieves the local date using strftime(), which mayor may not be 32-bit safe on your system.Returns the current local date. NOTE: This functionin format CCYYin format MMin format DDtrue /falseReturns true for valid date, false for invalid date.in format CCYYin format MMin format DDtrue /falseDetermines if given date is a future date from now.in format CCYYin format MMin format DDtrue /falseDetermines if given date is a past date from now.in format CCYY, default is current local yearin format MM, default is current local monthin format DD, default is current local dayReturns day of week for given date, 0=Sundayin format CCYYin format MMin format DDReturns week of the year, first Sunday is first day of first weekin format CCYY, default is current local yearin format MM, default is current local monthin format DD, default is current local dayReturns number of days since 31 December of year before given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayReturns quarter of the year for given datein format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatReturns date of begin of next month of given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatReturns date of the last day of next month of given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatReturns date of the first day of previous month of given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatReturns date of the last day of previous month for given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatskipping from Friday to Monday.Returns date of the next weekday of given date,in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatskipping from Monday to Friday.Returns date of the previous weekday,of week, 0=Sundayin format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayif true and days are same, returns current dayfor returned datedate in given formatfrom the given date.Returns date of the next specific day of the weekof week, 0=Sundayin format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayif true and days are same, returns current dayfor returned datedate in given formatfrom the given date.Returns date of the previous specific day of the weekof week, 0=Sundayin format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formaton or before the given date.Returns date of the next specific day of the weekof week, 0=Sundayin format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formaton or before the given date.Returns date of the previous specific day of the weekin format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatReturns date of day after given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatReturns date of day before given date.2 digit year 4 digit year51-99 is 19, else 20Sets century for 2 digit year.in format CCYYin format MMin format DDin format CCYYin format MMin format DDabsolute number of days between dates, -1 if there is an error.Returns number of days between two given dates.in format MM, default current local monthnumber of daysFind the number of days in the given month.in format MM, default current local monthin format YYCC, default current local yearnumber of weeksdetermining the number of rows when displaying a typicalmonth calendar.Returns the number of rows on a calendar month. Useful forin format CCYY, default to current local yearin format MM, default to current local monthnumber of weekday for the first day, 0=SundayFind the day of the week for the first of the month of given date.in format CCYY, default current local yearin format MM, default current local monthfor returned datedate in given formatReturn date of first day of month of given date.in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatusing DATE_CALC_BEGIN_WEEKDAY. (can return weekday of prev month.)Find the month day of the beginning of week for given date,in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatusing DATE_CALC_BEGIN_WEEKDAY. (can return weekdayof following month.)Find the month day of the end of week for given date,in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatusing DATE_CALC_BEGIN_WEEKDAY. (can return weekday of prev month.)Find the month day of the beginning of week after given date,in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned datedate in given formatusing DATE_CALC_BEGIN_WEEKDAY. (can return weekday of prev month.)Find the month day of the beginning of week before given date,in format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfor returned date [$weekday]Return an array with days in weekin format CCYY, default current local yearin format MM, default current local monthfor returned date [$row][$col]the given date.Return a set of arrays to construct a calendar month forin format CCYY, default current local yearfor returned date [$month][$row][$col]the given date.Return a set of arrays to construct a calendar year forin format CCYYin format MMin format DDnumber of daysdistant unspecified epoch.Converts a date to number of days since aof daysfor returned datedate in specified formatConverts number of days to a distant unspecified epoch.: 1=first, 2=second, 3=third, etc.: 0=Sunday, 1=Monday, etc.in format CCYYin format MMfor returned datedate in given formatsuch as the second Saturday of January 2000.Calculates the date of the Nth weekday of the month,in format CCYYin format MMin format DDfor returned datedate in given formatstrfmt(). This function is used to alleviate theproblem with 32-bit numbers for dates pre 1970or post 2038, as strfmt() has on most systems.Most of the formatting options are compatible.formatting options:%a abbreviated weekday name (Sun, Mon, Tue)%A full weekday name (Sunday, Monday, Tuesday)%b abbreviated month name (Jan, Feb, Mar)%B full month name (January, February, March)%d day of month (range 00 to 31)%e day of month, single digit (range 0 to 31)%E number of days since unspecified epoch (integer)(%E is useful for passing a date in a URL asan integer value. Then simply usedaysToDate() to convert back to a date.)%j day of year (range 001 to 366)%m month as decimal number (range 1 to 12)%n newline character (\n)%t tab character (\t)%w weekday as decimal (0 = Sunday)%U week number of current year, first sunday as first week%y year as decimal (range 00 to 99)%Y year as decimal including century (range 0000 to 9999)%% literal '%'Formats the date in the given format, much likeyear in format CCYYReturns the current local year in format CCYYmonth in format MMReturns the current local month in format MMday in format DDReturns the current local day in format DDin format MMfull month nameReturns the full month name for the given monthin format MMlength of abbreviation, default is 3abbreviated month nameReturns the abbreviated month name for the given monthin format CCYY, default current local yearin format MM, default current local monthin format DD, default current local dayfull month nameReturns the full weekday name for the given datein format CCYY, default current local yearin format MM, default current local monthin format DD, default current local daylength of abbreviation, default is 3full month nameReturns the abbreviated weekday name for the given date1