IntlCalendar::inDaylightTime
(PHP 5.5.0, PECL >= 3.0.0a1)
IntlCalendar::inDaylightTime — Whether the objectʼs time is in Daylight Savings Time
Описание
Объектно-ориентированный стиль
public bool IntlCalendar::inDaylightTime
( void
)
Процедурный стиль
Whether, for the instant represented by this object and for this objectʼs timezone, daylight saving time is in place.
Список параметров
-
cal -
The IntlCalendar resource.
Возвращаемые значения
Returns TRUE if the date is in Daylight Savings Time, FALSE otherwise.
The value FALSE may also be returned on failure, for instance after
specifying invalid field values on non-lenient mode; use exceptions or query
intl_get_error_code() to disambiguate.
Примеры
Пример #1 IntlCalendar::inDaylightTime()
<?php
ini_set('date.timezone', 'Europe/Lisbon');
ini_set('intl.default_locale', 'pt_PT');
$cal = new IntlGregorianCalendar(2013, 6 /* July */, 1, 4, 56, 31);
var_dump($cal->inDaylightTime()); // true
$cal->set(IntlCalendar::FIELD_MONTH, 11 /* December */);
var_dump($cal->inDaylightTime()); // false
//DST end transition on 2013-10-27 at 0200 (wall time back 1 hour)
$cal = new IntlGregorianCalendar(2013, 9 /* October */, 27, 1, 30, 0);
var_dump($cal->inDaylightTime()); // false (default WALLTIME_LAST)
$cal->setRepeatedWallTimeOption(IntlCalendar::WALLTIME_FIRST);
$cal->set(IntlCalendar::FIELD_HOUR_OF_DAY, 1); // force time recalculation
var_dump($cal->inDaylightTime()); // true
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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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