# The IntlGregorianCalendar class

(PHP 5 >= 5.5.0, PHP 7, PHP 8)

## 简介

## 类摘要

class IntlGregorianCalendar extends IntlCalendar {
/* 继承的常量 */
public const int IntlCalendar::FIELD_ERA;
public const int IntlCalendar::FIELD_YEAR;
public const int IntlCalendar::FIELD_MONTH;
public const int IntlCalendar::FIELD_WEEK_OF_YEAR;
public const int IntlCalendar::FIELD_WEEK_OF_MONTH;
public const int IntlCalendar::FIELD_DATE;
public const int IntlCalendar::FIELD_DAY_OF_YEAR;
public const int IntlCalendar::FIELD_DAY_OF_WEEK;
public const int IntlCalendar::FIELD_DAY_OF_WEEK_IN_MONTH;
public const int IntlCalendar::FIELD_AM_PM;
public const int IntlCalendar::FIELD_HOUR;
public const int IntlCalendar::FIELD_HOUR_OF_DAY;
public const int IntlCalendar::FIELD_MINUTE;
public const int IntlCalendar::FIELD_SECOND;
public const int IntlCalendar::FIELD_MILLISECOND;
public const int IntlCalendar::FIELD_ZONE_OFFSET;
public const int IntlCalendar::FIELD_DST_OFFSET;
public const int IntlCalendar::FIELD_YEAR_WOY;
public const int IntlCalendar::FIELD_DOW_LOCAL;
public const int IntlCalendar::FIELD_EXTENDED_YEAR;
public const int IntlCalendar::FIELD_JULIAN_DAY;
public const int IntlCalendar::FIELD_MILLISECONDS_IN_DAY;
public const int IntlCalendar::FIELD_IS_LEAP_MONTH;
public const int IntlCalendar::FIELD_FIELD_COUNT;
public const int IntlCalendar::FIELD_DAY_OF_MONTH;
public const int IntlCalendar::DOW_SUNDAY;
public const int IntlCalendar::DOW_MONDAY;
public const int IntlCalendar::DOW_TUESDAY;
public const int IntlCalendar::DOW_WEDNESDAY;
public const int IntlCalendar::DOW_THURSDAY;
public const int IntlCalendar::DOW_FRIDAY;
public const int IntlCalendar::DOW_SATURDAY;
public const int IntlCalendar::DOW_TYPE_WEEKDAY;
public const int IntlCalendar::DOW_TYPE_WEEKEND;
public const int IntlCalendar::DOW_TYPE_WEEKEND_OFFSET;
public const int IntlCalendar::DOW_TYPE_WEEKEND_CEASE;
public const int IntlCalendar::WALLTIME_FIRST;
public const int IntlCalendar::WALLTIME_LAST;
public const int IntlCalendar::WALLTIME_NEXT_VALID;
/* 方法 */
public __construct(IntlTimeZone `$tz` = ?, string `$locale` = ?)
public __construct(int `$timeZoneOrYear`, int `$localeOrMonth`, int `$dayOfMonth`)
public __construct(
int `$timeZoneOrYear`,
int `$localeOrMonth`,
int `$dayOfMonth`,
int `$hour`,
int `$minute`,
int `$second` = ?
)
public static createFromDate(int `$year`, int `$month`, int `$dayOfMonth`): static
public static createFromDateTime(
int `$year`,
int `$month`,
int `$dayOfMonth`,
int `$hour`,
int `$minute`,
?int `$second` = `null`
): static
public getGregorianChange(): float
public isLeapYear(int `$year`): bool
public setGregorianChange(float `$timestamp`): bool
/* 继承的方法 */
public IntlCalendar::add(int `$field`, int `$value`): bool
public IntlCalendar::after(IntlCalendar `$other`): bool
public IntlCalendar::before(IntlCalendar `$other`): bool
public IntlCalendar::clear(?int `$field` = `null`): true
public static IntlCalendar::createInstance(IntlTimeZone|DateTimeZone|string|null `$timezone` = `null`, ?string `$locale` = `null`): ?IntlCalendar
public IntlCalendar::equals(IntlCalendar `$other`): bool
public IntlCalendar::fieldDifference(float `$timestamp`, int `$field`): int|false
public static IntlCalendar::fromDateTime(DateTime|string `$datetime`, ?string `$locale` = `null`): ?IntlCalendar
public IntlCalendar::get(int `$field`): int|false
public IntlCalendar::getActualMaximum(int `$field`): int|false
public IntlCalendar::getActualMinimum(int `$field`): int|false
public static IntlCalendar::getAvailableLocales(): array
public IntlCalendar::getDayOfWeekType(int `$dayOfWeek`): int|false
public IntlCalendar::getErrorCode(): int|false
public IntlCalendar::getErrorMessage(): string|false
public IntlCalendar::getFirstDayOfWeek(): int|false
public IntlCalendar::getGreatestMinimum(int `$field`): int|false
public static IntlCalendar::getKeywordValuesForLocale(string `$keyword`, string `$locale`, bool `$onlyCommon`): IntlIterator|false
public IntlCalendar::getLeastMaximum(int `$field`): int|false
public IntlCalendar::getLocale(int `$type`): string|false
public IntlCalendar::getMaximum(int `$field`): int|false
public IntlCalendar::getMinimalDaysInFirstWeek(): int|false
public IntlCalendar::getMinimum(int `$field`): int|false
public static IntlCalendar::getNow(): float
public IntlCalendar::getRepeatedWallTimeOption(): int
public IntlCalendar::getSkippedWallTimeOption(): int
public IntlCalendar::getTime(): float|false
public IntlCalendar::getTimeZone(): IntlTimeZone|false
public IntlCalendar::getType(): string
public IntlCalendar::getWeekendTransition(int `$dayOfWeek`): int|false
public IntlCalendar::inDaylightTime(): bool
public IntlCalendar::isEquivalentTo(IntlCalendar `$other`): bool
public IntlCalendar::isLenient(): bool
public IntlCalendar::isSet(int `$field`): bool
public IntlCalendar::isWeekend(?float `$timestamp` = `null`): bool
public IntlCalendar::roll(int `$field`, int|bool `$value`): bool
public IntlCalendar::set(int `$field`, int `$value`): true
public IntlCalendar::set(
int `$year`,
int `$month`,
int `$dayOfMonth` = NULL,
int `$hour` = NULL,
int `$minute` = NULL,
int `$second` = NULL
): true
public IntlCalendar::setDate(int `$year`, int `$month`, int `$dayOfMonth`): void
public IntlCalendar::setDateTime(
int `$year`,
int `$month`,
int `$dayOfMonth`,
int `$hour`,
int `$minute`,
?int `$second` = `null`
): void
public IntlCalendar::setFirstDayOfWeek(int `$dayOfWeek`): true
public IntlCalendar::setLenient(bool `$lenient`): true
public IntlCalendar::setMinimalDaysInFirstWeek(int `$days`): true
public IntlCalendar::setRepeatedWallTimeOption(int `$option`): true
public IntlCalendar::setSkippedWallTimeOption(int `$option`): true
public IntlCalendar::setTime(float `$timestamp`): bool
public IntlCalendar::setTimeZone(IntlTimeZone|DateTimeZone|string|null `$timezone`): bool
public IntlCalendar::toDateTime(): DateTime|false
}

## 目录

- IntlGregorianCalendar::__construct — Create the Gregorian Calendar class
- IntlGregorianCalendar::createFromDate — Create a new IntlGregorianCalendar instance from date
- IntlGregorianCalendar::createFromDateTime — Create a new IntlGregorianCalendar instance from date and time
- IntlGregorianCalendar::getGregorianChange — Get the Gregorian Calendar change date
- IntlGregorianCalendar::isLeapYear — Determine if the given year is a leap year
- IntlGregorianCalendar::setGregorianChange — Set the Gregorian Calendar the change date

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