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XML und Datenbanken. Konzepte und Systeme
XML und Datenbanken. Konzepte und Systeme

Manuals > PEAR > Date and Time
PEAR Manual
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Chapter 21. Date and Time

Table of Contents
Calendar

Provides Packages for working with date and time data

Calendar

Table of Contents
Introduction --  What Calendar can do
Installing --  How to install PEAR::Calendar
In A Hurry --  Just add hot water...
Package Overview --  Summary of Calendar Classes
Method Overview --  Summary of Calendar API
Calendar Decorators --  What Calendar_Decorator is for
FAQ --  Frequently Asked Questions
Calendar -- Calendar base class
constructor Calendar::Calendar() -- Constructs the Calendar
Calendar::adjust() -- Adjusts the date (helper method)
Calendar::build() -- Abstract method for building the children of a calendar object.
Calendar::fetch() -- Iterator method for fetching child Calendar subclass objects (e.g. a minute from an hour object). On reaching the end of the collection, returns false and resets the collection for further iteratations.
Calendar::fetchAll() -- Fetches all child from the current collection of children
Calendar::getTimestamp() -- Returns a timestamp from the current date / time values. Format of
Calendar::getValidator() -- Returns an instance of Calendar_Validator
Calendar::isSelected() -- True if the calendar subclass object is selected (e.g. today)
Calendar::isValid() -- Determine whether this date is valid, with the bounds determined by
Calendar::nextDay() -- Returns the value for the next day
Calendar::nextHour() -- Returns the value for the next hour
Calendar::nextMinute() -- Returns the value for the next minute
Calendar::nextMonth() -- Returns the value for next month
Calendar::nextSecond() -- Returns the value for the next second
Calendar::nextYear() -- Returns the value for next year
Calendar::prevDay() -- Returns the value for the previous day
Calendar::prevHour() -- Returns the value for the previous hour
Calendar::prevMinute() -- Returns the value for the previous minute
Calendar::prevMonth() -- Returns the value for the previous month
Calendar::prevSecond() -- Returns the value for the previous second
Calendar::prevYear() -- Returns the value for the previous year
Calendar::setSelected() -- Defines calendar object as selected (e.g. for today)
Calendar::setSelection() -- Abstract method for selected data objects called from build
Calendar::setTimestamp() -- Defines the calendar by a Unix timestamp, replacing values
Calendar::size() -- Get the number Calendar subclass objects stored in the internal collection.
Calendar::thisDay() -- Returns the value for this day
Calendar::thisHour() -- Returns the value for this hour
Calendar::thisMinute() -- Returns the value for this minute
Calendar::thisMonth() -- Returns the value for this month
Calendar::thisSecond() -- Returns the value for this second
Calendar::thisYear() -- Returns the value for this year
Calendar_Day -- Calendar_Day API
constructor Calendar_Day::Calendar_Day() -- Constructs Calendar_Day
Calendar_Day::build() -- Builds the Hours of the Day
Calendar_Day::isEmpty() -- 
Calendar_Day::isFirst() -- Returns true if Day object is first in a Week
Calendar_Day::isLast() -- Returns true if Day object is last in a Week
Calendar_Decorator -- Calendar_Decorator API
constructor Calendar_Decorator::Calendar_Decorator() -- Constructs the Calendar_Decorator
Calendar_Decorator::build() -- Build the children
Calendar_Decorator::fetch() -- Iterator method for fetching child Calendar subclass objects (e.g. a minute from an hour object). On reaching the end of the collection, returns false and resets the collection for further iteratations.
Calendar_Decorator::fetchAll() -- Fetches all child from the current collection of children
Calendar_Decorator::getTimestamp() -- Returns a timestamp from the current date / time values. Format of
Calendar_Decorator::getValidator() -- Returns an instance of Calendar_Validator
Calendar_Decorator::isEmpty() -- 
Calendar_Decorator::isFirst() -- Returns true if Day object is first in a Week
Calendar_Decorator::isLast() -- Returns true if Day object is last in a Week
Calendar_Decorator::isSelected() -- True if the calendar subclass object is selected (e.g. today)
Calendar_Decorator::isValid() -- Determine whether this date is valid, with the bounds determined by
Calendar_Decorator::nextDay() -- Returns the value for the next day
Calendar_Decorator::nextHour() -- Returns the value for the next hour
Calendar_Decorator::nextMinute() -- Returns the value for the next minute
Calendar_Decorator::nextMonth() -- Returns the value for next month
Calendar_Decorator::nextSecond() -- Returns the value for the next second
Calendar_Decorator::nextWeek() -- Returns the value for next week
Calendar_Decorator::nextYear() -- Returns the value for next year
Calendar_Decorator::prevDay() -- Returns the value for the previous day
Calendar_Decorator::prevHour() -- Returns the value for the previous hour
Calendar_Decorator::prevMinute() -- Returns the value for the previous minute
Calendar_Decorator::prevMonth() -- Returns the value for the previous month
Calendar_Decorator::prevSecond() -- Returns the value for the previous second
Calendar_Decorator::prevWeek() -- Returns the value for the previous week
Calendar_Decorator::prevYear() -- Returns the value for the previous year
Calendar_Decorator::setSelected() -- Defines calendar object as selected (e.g. for today)
Calendar_Decorator::setTimestamp() -- Defines the calendar by a Unix timestamp, replacing values
Calendar_Decorator::size() -- Get the number Calendar subclass objects stored in the internal collection.
Calendar_Decorator::thisDay() -- Returns the value for this day
Calendar_Decorator::thisHour() -- Returns the value for this hour
Calendar_Decorator::thisMinute() -- Returns the value for this minute
Calendar_Decorator::thisMonth() -- Returns the value for this month
Calendar_Decorator::thisSecond() -- Returns the value for this second
Calendar_Decorator::thisWeek() -- Returns the value for this week
Calendar_Decorator::thisYear() -- Returns the value for this year
Calendar_Decorator_Textual -- Calendar_Decorator_Textual API
constructor Calendar_Decorator_Textual::Calendar_Decorator_Textual() -- Constructs Calendar_Decorator_Textual
Calendar_Decorator_Textual::monthNames() -- Returns an array of 12 month names (first index = 1)
Calendar_Decorator_Textual::nextDayName() -- Returns textual representation of the next day of week of the decorated calendar object
Calendar_Decorator_Textual::nextMonthName() -- Returns textual representation of the next month of the decorated calendar object
Calendar_Decorator_Textual::orderedWeekdays() -- Returns the days of the week using the order defined in the decorated
Calendar_Decorator_Textual::prevDayName() -- Returns textual representation of the previous day of week of the decorated calendar object
Calendar_Decorator_Textual::prevMonthName() -- Returns textual representation of the previous month of the decorated calendar object
Calendar_Decorator_Textual::thisDayName() -- Returns textual representation of the day of week of the decorated calendar object
Calendar_Decorator_Textual::thisMonthName() -- Returns textual representation of the month of the decorated calendar object
Calendar_Decorator_Textual::weekdayNames() -- Returns an array of 7 week day names (first index = 0)
Calendar_Decorator_Uri -- Calendar_Decorator_Uri API
constructor Calendar_Decorator_Uri::Calendar_Decorator_Uri() -- Constructs Calendar_Decorator_Uri
Calendar_Decorator_Uri::next() -- Gets the URI string for the next calendar unit
Calendar_Decorator_Uri::prev() -- Gets the URI string for the previous calendar unit
Calendar_Decorator_Uri::setFragments() -- Sets the URI fragment names
Calendar_Decorator_Uri::setScalar() -- Puts Uri decorator into "scalar mode" - URI variable names are not
Calendar_Decorator_Uri::setSeparator() -- Sets the separator string between fragments
Calendar_Decorator_Uri::this() -- Gets the URI string for the current calendar unit
Calendar_Decorator_Wrapper -- Calendar_Decorator_Wrapper API
constructor Calendar_Decorator_Wrapper::Calendar_Decorator_Wrapper() -- Constructs Calendar_Decorator_Wrapper
Calendar_Decorator_Wrapper::fetch() -- Wraps objects returned from fetch in the named Decorator class
Calendar_Decorator_Wrapper::fetchAll() -- Wraps the returned calendar objects from fetchAll in the named decorator
Calendar_Engine_Interface -- Calendar_Engine_Interface API
Calendar_Engine_Interface::dateToStamp() -- Returns a timestamp
Calendar_Engine_Interface::getDayOfWeek() -- Returns the number of the day of the week (0=sunday, 1=monday...)
Calendar_Engine_Interface::getDaysInMonth() -- Returns the number of days in a month, given year and month
Calendar_Engine_Interface::getDaysInWeek() -- Returns the number of days in a week
Calendar_Engine_Interface::getFirstDayInMonth() -- Returns numeric representation of the day of the week in a month,
Calendar_Engine_Interface::getFirstDayOfWeek() -- Returns the default first day of the week as an integer. Must be a
Calendar_Engine_Interface::getHoursInDay() -- Returns the number of hours in a day
Calendar_Engine_Interface::getMaxYears() -- The upper limit on years that the Calendar Engine can work with
Calendar_Engine_Interface::getMinutesInHour() -- Returns the number of minutes in an hour
Calendar_Engine_Interface::getMinYears() -- The lower limit on years that the Calendar Engine can work with
Calendar_Engine_Interface::getMonthsInYear() -- Returns the number of months in a year
Calendar_Engine_Interface::getSecondsInMinute() -- Returns the number of seconds in a minutes
Calendar_Engine_Interface::getWeekDays() -- Returns the numeric values of the days of the week.
Calendar_Engine_Interface::getWeekNInMonth() -- Returns the number of the week in the month, given a date
Calendar_Engine_Interface::getWeekNInYear() -- Returns the number of the week in the year (ISO-8601), given a date
Calendar_Engine_Interface::getWeeksInMonth() -- Returns the number of weeks in the month
Calendar_Engine_Interface::stampToDay() -- Returns a numeric day given a timestamp
Calendar_Engine_Interface::stampToHour() -- Returns a numeric hour given a timestamp
Calendar_Engine_Interface::stampToMinute() -- Returns a numeric minute given a timestamp
Calendar_Engine_Interface::stampToMonth() -- Returns a numeric month given a timestamp
Calendar_Engine_Interface::stampToSecond() -- Returns a numeric second given a timestamp
Calendar_Engine_Interface::stampToYear() -- Returns a numeric year given a timestamp
Calendar_Engine_PearDate -- Calendar_Engine_PearDate API
Calendar_Engine_PearDate::adjustDate() -- Set the correct date values (useful for math operations on dates)
Calendar_Engine_PearDate::dateToStamp() -- Returns a iso-8601 datetime
Calendar_Engine_PearDate::getDayOfWeek() -- Returns the number of the day of the week (0=sunday, 1=monday...)
Calendar_Engine_PearDate::getDaysInMonth() -- Returns the number of days in a month, given year and month
Calendar_Engine_PearDate::getDaysInWeek() -- Returns the number of days in a week
Calendar_Engine_PearDate::getFirstDayInMonth() -- Returns numeric representation of the day of the week in a month,
Calendar_Engine_PearDate::getFirstDayOfWeek() -- Returns the default first day of the week
Calendar_Engine_PearDate::getHoursInDay() -- Returns the number of hours in a day
Calendar_Engine_PearDate::getMaxYears() -- The upper limit on years that the Calendar Engine can work with
Calendar_Engine_PearDate::getMinutesInHour() -- Returns the number of minutes in an hour
Calendar_Engine_PearDate::getMinYears() -- The lower limit on years that the Calendar Engine can work with
Calendar_Engine_PearDate::getMonthsInYear() -- Returns the number of months in a year
Calendar_Engine_PearDate::getSecondsInMinute() -- Returns the number of seconds in a minutes
Calendar_Engine_PearDate::getWeekDays() -- Returns a list of integer days of the week beginning 0
Calendar_Engine_PearDate::getWeekNInMonth() -- Returns the number of the week in the month, given a date
Calendar_Engine_PearDate::getWeekNInYear() -- Returns the number of the week in the year (ISO-8601), given a date
Calendar_Engine_PearDate::getWeeksInMonth() -- Returns the number of weeks in the month
Calendar_Engine_PearDate::stampToDay() -- Returns a numeric day given a iso-8601 datetime
Calendar_Engine_PearDate::stampToHour() -- Returns a numeric hour given a iso-8601 datetime
Calendar_Engine_PearDate::stampToMinute() -- Returns a numeric minute given a iso-8601 datetime
Calendar_Engine_PearDate::stampToMonth() -- Returns a numeric month given a iso-8601 datetime
Calendar_Engine_PearDate::stampToSecond() -- Returns a numeric second given a iso-8601 datetime
Calendar_Engine_PearDate::stampToYear() -- Returns a numeric year given a iso-8601 datetime
Calendar_Engine_UnixTs -- Calendar_Engine_UnixTs API
Calendar_Engine_UnixTS::dateToStamp() -- Returns a timestamp
Calendar_Engine_UnixTS::getDayOfWeek() -- Returns the number of the day of the week (0=sunday, 1=monday...)
Calendar_Engine_UnixTS::getDaysInMonth() -- Returns the number of days in a month, given year and month
Calendar_Engine_UnixTS::getDaysInWeek() -- Returns the number of days in a week
Calendar_Engine_UnixTS::getFirstDayInMonth() -- Returns numeric representation of the day of the week in a month,
Calendar_Engine_UnixTS::getFirstDayOfWeek() -- Returns the default first day of the week
Calendar_Engine_UnixTS::getHoursInDay() -- Returns the number of hours in a day
Calendar_Engine_UnixTS::getMaxYears() -- The upper limit on years that the Calendar Engine can work with
Calendar_Engine_UnixTS::getMinutesInHour() -- Returns the number of minutes in an hour
Calendar_Engine_UnixTS::getMinYears() -- The lower limit on years that the Calendar Engine can work with
Calendar_Engine_UnixTS::getMonthsInYear() -- Returns the number of months in a year
Calendar_Engine_UnixTS::getSecondsInMinute() -- Returns the number of seconds in a minutes
Calendar_Engine_UnixTS::getWeekDays() -- Returns a list of integer days of the week beginning 0
Calendar_Engine_UnixTS::getWeekNInMonth() -- Returns the number of the week in the month, given a date
Calendar_Engine_UnixTS::getWeekNInYear() -- Returns the number of the week in the year (ISO-8601), given a date
Calendar_Engine_UnixTS::getWeeksInMonth() -- Returns the number of weeks in the month
Calendar_Engine_UnixTS::stampToDay() -- Returns a numeric day given a timestamp
Calendar_Engine_UnixTS::stampToHour() -- Returns a numeric hour given a timestamp
Calendar_Engine_UnixTS::stampToMinute() -- Returns a numeric minute given a timestamp
Calendar_Engine_UnixTS::stampToMonth() -- Returns a numeric month given a timestamp
Calendar_Engine_UnixTS::stampToSecond() -- Returns a numeric second given a timestamp
Calendar_Engine_UnixTS::stampToYear() -- Returns a numeric year given a timestamp
Calendar_Hour -- Calendar_Hour API
constructor Calendar_Hour::Calendar_Hour() -- Constructs Calendar_Hour
Calendar_Hour::build() -- Builds the Minutes in the Hour
Calendar_Minute -- Calendar_Minute API
constructor Calendar_Minute::Calendar_Minute() -- Constructs Minute
Calendar_Minute::build() -- Builds the Calendar_Second objects
Calendar_Month -- Calendar_Month API
constructor Calendar_Month::Calendar_Month() -- Constructs Calendar_Month
Calendar_Month::build() -- Builds Day objects for this Month. Creates as many Calendar_Day objects
Calendar_Month_Weekdays -- Calendar_Month_Weekdays API
constructor Calendar_Month_Weekdays::Calendar_Month_Weekdays() -- Constructs Calendar_Month_Weekdays
Calendar_Month_Weekdays::build() -- Builds Day objects in tabular form, to allow display of calendar month with empty cells if the first day of the week does not fall on the first day of the month.
Calendar_Month_Weeks -- Calendar_Month_Weeks API
constructor Calendar_Month_Weeks::Calendar_Month_Weeks() -- Constructs Calendar_Month_Weeks
Calendar_Month_Weeks::build() -- Builds Calendar_Week objects for the Month. Note that Calendar_Week
Calendar_Second -- Calendar_Second API
constructor Calendar_Second::Calendar_Second() -- Constructs Second
Calendar_Second::build() -- Overwrite build
Calendar_Second::fetch() -- Overwrite fetch
Calendar_Second::fetchAll() -- Overwrite fetchAll
Calendar_Second::size() -- Overwrite size
Calendar_Table_Helper -- Calendar_Table_Helper API
constructor Calendar_Table_Helper::Calendar_Table_Helper() -- Constructs Calendar_Table_Helper
Calendar_Table_Helper::getDaysOfWeek() -- Returns the order array of days in a week
Calendar_Table_Helper::getEmptyDaysAfter() -- Returns the index of the last real day in the month
Calendar_Table_Helper::getEmptyDaysAfterOffset() -- Returns the index of the last real day in the month, relative to the
Calendar_Table_Helper::getEmptyDaysBefore() -- Returns the number of empty days before the real days begin
Calendar_Table_Helper::getFirstDay() -- Returns the first day of the month
Calendar_Table_Helper::getNumTableDaysInMonth() -- Returns the number of real days + empty days
Calendar_Table_Helper::getNumWeeks() -- Returns the number of tabular weeks in a month
Calendar_Table_Helper::getWeekStart() -- Returns the timestamp of the first day of the current week
Calendar_Validation_Error -- Calendar_Validation_Error API
constructor Calendar_Validation_Error::Calendar_Validation_Error() -- Constructs Calendar_Validation_Error
Calendar_Validation_Error::getMessage() -- Returns the validation error message
Calendar_Validation_Error::getUnit() -- Returns the Date unit
Calendar_Validation_Error::getValue() -- Returns the value of the unit
Calendar_Validation_Error::toString() -- Returns a string containing the unit, value and error message
Calendar_Validator -- Calendar_Validator API
constructor Calendar_Validator::Calendar_Validator() -- Constructs Calendar_Validator
Calendar_Validator::fetch() -- Iterates over any validation errors
Calendar_Validator::isValid() -- Calls all the other isValidXXX() methods in the validator
Calendar_Validator::isValidDay() -- Check whether this is a valid day
Calendar_Validator::isValidHour() -- Check whether this is a valid hour
Calendar_Validator::isValidMinute() -- Check whether this is a valid minute
Calendar_Validator::isValidMonth() -- Check whether this is a valid month
Calendar_Validator::isValidSecond() -- Check whether this is a valid second
Calendar_Validator::isValidYear() -- Check whether this is a valid year
Calendar_Week -- Calendar_Week API
constructor Calendar_Week::Calendar_Week() -- Constructs Week
Calendar_Week::build() -- Builds Calendar_Day objects for this Week
Calendar_Week::getHelper() -- Returns the instance of Calendar_Table_Helper.
Calendar_Week::nextWeek() -- Gets the value of the following week, according to the requested format
Calendar_Week::prevWeek() -- Gets the value of the previous week, according to the requested format
Calendar_Week::thisWeek() -- Gets the value of the current week, according to the requested format
Calendar_Year -- Calendar_Year API
constructor Calendar_Year::Calendar_Year() -- Constructs Calendar_Year
Calendar_Year::build() -- Builds the Months of the Year.
Package Calendar Constants -- Constants defined in and used by Calendar

Calendar Data Structures

This chapter describes how to use PEAR::Calendar

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