IntlCalendar::roll
(PHP 5.5.0, PECL >= 3.0.0a1)
IntlCalendar::roll — Add value to field without carrying into more significant fields
Описание
Объектно-ориентированный стиль
Процедурный стиль
Adds a (signed) amount to a field. The difference with respect to IntlCalendar::add() is that when the field value overflows, it does not carry into more significant fields.
Список параметров
-
cal -
The IntlCalendar resource.
-
field -
One of the IntlCalendar date/time field constants. These are integer values between 0 and
IntlCalendar::FIELD_COUNT. -
amountOrUpOrDown -
The (signed) amount to add to the field,
TRUEfor rolling up (adding 1), orFALSEfor rolling down (subtracting 1).
Возвращаемые значения
Returns TRUE on success or FALSE on failure.
Примеры
Пример #1 IntlCalendar::roll()
<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'pt_PT');
$cal = new IntlGregorianCalendar(2013, 5 /* June */, 30);
$cal->add(IntlCalendar::FIELD_DAY_OF_MONTH, 1);
var_dump(IntlDateFormatter::formatObject($cal)); // "01/07/2013, 00:00:00"
$cal->set(2013, 5 /* June */, 30);
$cal->roll(IntlCalendar::FIELD_DAY_OF_MONTH, true); // roll up, same as rolling +1
var_dump(IntlDateFormatter::formatObject($cal)); // "01/06/2013, 00:00:00"
Результат выполнения данного примера:
string(20) "01/07/2013, 00:00:00" string(20) "01/06/2013, 00:00:00"
Смотрите также
- IntlCalendar::add() - Add a (signed) amount of time to a field
- IntlCalendar::set() - Set a time field or several common fields at once
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- Функция IntlCalendar::add() - Add a (signed) amount of time to a field
- Функция IntlCalendar::after() - Whether this objectʼs time is after that of the passed object
- Функция IntlCalendar::before() - Whether this objectʼs time is before that of the passed object
- Функция IntlCalendar::clear() - Clear a field or all fields
- Функция IntlCalendar::__construct() - Private constructor for disallowing instantiation
- Функция IntlCalendar::createInstance() - Create a new IntlCalendar
- Функция IntlCalendar::equals() - Compare time of two IntlCalendar objects for equality
- Функция IntlCalendar::fieldDifference() - Calculate difference between given time and this objectʼs time
- Функция IntlCalendar::fromDateTime() - Create an IntlCalendar from a DateTime object or string
- Функция IntlCalendar::get() - Get the value for a field
- Функция IntlCalendar::getActualMaximum() - The maximum value for a field, considering the objectʼs current time
- Функция IntlCalendar::getActualMinimum() - The minimum value for a field, considering the objectʼs current time
- Функция IntlCalendar::getAvailableLocales() - Get array of locales for which there is data
- Функция IntlCalendar::getDayOfWeekType() - Tell whether a day is a weekday, weekend or a day that has a transition between the two
- Функция IntlCalendar::getErrorCode() - Get last error code on the object
- Функция IntlCalendar::getErrorMessage() - Get last error message on the object
- Функция IntlCalendar::getFirstDayOfWeek() - Get the first day of the week for the calendarʼs locale
- Функция IntlCalendar::getGreatestMinimum() - Get the largest local minimum value for a field
- Функция IntlCalendar::getKeywordValuesForLocale() - Get set of locale keyword values
- Функция IntlCalendar::getLeastMaximum() - Get the smallest local maximum for a field
- Функция IntlCalendar::getLocale() - Get the locale associated with the object
- Функция IntlCalendar::getMaximum() - Get the global maximum value for a field
- Функция IntlCalendar::getMinimalDaysInFirstWeek() - Get minimal number of days the first week in a year or month can have
- Функция IntlCalendar::getMinimum() - Get the global minimum value for a field
- Функция IntlCalendar::getNow() - Get number representing the current time
- Функция IntlCalendar::getRepeatedWallTimeOption() - Get behavior for handling repeating wall time
- Функция IntlCalendar::getSkippedWallTimeOption() - Get behavior for handling skipped wall time
- Функция IntlCalendar::getTime() - Get time currently represented by the object
- Функция IntlCalendar::getTimeZone() - Get the objectʼs timezone
- Функция IntlCalendar::getType() - Get the calendar type
- Функция IntlCalendar::getWeekendTransition() - Get time of the day at which weekend begins or ends
- Функция IntlCalendar::inDaylightTime() - Whether the objectʼs time is in Daylight Savings Time
- Функция IntlCalendar::isEquivalentTo() - Whether another calendar is equal but for a different time
- Функция IntlCalendar::isLenient() - Whether date/time interpretation is in lenient mode
- Функция IntlCalendar::isSet() - Whether a field is set
- Функция IntlCalendar::isWeekend() - Whether a certain date/time is in the weekend
- Функция IntlCalendar::roll() - Add value to field without carrying into more significant fields
- Функция IntlCalendar::set() - Set a time field or several common fields at once
- Функция IntlCalendar::setFirstDayOfWeek() - Set the day on which the week is deemed to start
- Функция IntlCalendar::setLenient() - Set whether date/time interpretation is to be lenient
- Функция IntlCalendar::setMinimalDaysInFirstWeek() - Set minimal number of days the first week in a year or month can have
- Функция IntlCalendar::setRepeatedWallTimeOption() - Set behavior for handling repeating wall times at negative timezone offset transitions
- Функция IntlCalendar::setSkippedWallTimeOption() - Set behavior for handling skipped wall times at positive timezone offset transitions
- Функция IntlCalendar::setTime() - Set the calendar time in milliseconds since the epoch
- Функция IntlCalendar::setTimeZone() - Set the timezone used by this calendar
- Функция IntlCalendar::toDateTime() - Convert an IntlCalendar into a DateTime object
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