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The DateTimeImmutable class

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

简介

Representation of date and time.

This class behaves the same as DateTime except new objects are returned when modification methods such as DateTime::modify() are called.

类摘要

class DateTimeImmutable implements DateTimeInterface {

/* 继承的常量 */

public const string DateTimeInterface::ATOM = "Y-m-d\\TH:i:sP";

public const string DateTimeInterface::COOKIE = "l, d-M-Y H:i:s T";

public const string DateTimeInterface::ISO8601 = "Y-m-d\\TH:i:sO";

public const string DateTimeInterface::ISO8601_EXPANDED = "X-m-d\\TH:i:sP";

public const string DateTimeInterface::RFC822 = "D, d M y H:i:s O";

public const string DateTimeInterface::RFC850 = "l, d-M-y H:i:s T";

public const string DateTimeInterface::RFC1036 = "D, d M y H:i:s O";

public const string DateTimeInterface::RFC1123 = "D, d M Y H:i:s O";

public const string DateTimeInterface::RFC7231 = "D, d M Y H:i:s \\G\\M\\T";

public const string DateTimeInterface::RFC2822 = "D, d M Y H:i:s O";

public const string DateTimeInterface::RFC3339 = "Y-m-d\\TH:i:sP";

public const string DateTimeInterface::RFC3339_EXTENDED = "Y-m-d\\TH:i:s.vP";

public const string DateTimeInterface::RSS = "D, d M Y H:i:s O";

public const string DateTimeInterface::W3C = "Y-m-d\\TH:i:sP";

/* 方法 */

public __construct(string $datetime = "now", ?DateTimeZone $timezone = null)

public add(DateInterval $interval): DateTimeImmutable

public static createFromFormat(string $format, string $datetime, ?DateTimeZone $timezone = null): DateTimeImmutable|false

public static createFromInterface(DateTimeInterface $object): DateTimeImmutable

public static createFromMutable(DateTime $object): static

public static getLastErrors(): array|false

public modify(string $modifier): DateTimeImmutable

public static __set_state(array $array): DateTimeImmutable

public setDate(int $year, int $month, int $day): DateTimeImmutable

public setISODate(int $year, int $week, int $dayOfWeek = 1): DateTimeImmutable

public setTime(
    int $hour,
    int $minute,
    int $second = 0,
    int $microsecond = 0
): DateTimeImmutable

public setTimestamp(int $timestamp): DateTimeImmutable

public setTimezone(DateTimeZone $timezone): DateTimeImmutable

public sub(DateInterval $interval): DateTimeImmutable

public diff(DateTimeInterface $targetObject, bool $absolute = false): DateInterval

public format(string $format): string

public getOffset(): int

public getTimestamp(): int

public getTimezone(): DateTimeZone|false

public __wakeup(): void

}

更新日志

版本	说明
8.4.0	The class constants are now typed.
7.1.0	The DateTimeImmutable constructor now includes the current microseconds in the constructed value. Before this, it would always initialise the microseconds to `0`.

目录

DateTimeImmutable::add — Returns a new object, with added amount of days, months, years, hours, minutes and seconds
DateTimeImmutable::__construct — Returns new DateTimeImmutable object
DateTimeImmutable::createFromFormat — Parses a time string according to a specified format
DateTimeImmutable::createFromInterface — Returns new DateTimeImmutable object encapsulating the given DateTimeInterface object
DateTimeImmutable::createFromMutable — Returns new DateTimeImmutable instance encapsulating the given DateTime object
DateTimeImmutable::getLastErrors — Returns the warnings and errors
DateTimeImmutable::modify — Creates a new object with modified timestamp
DateTimeImmutable::__set_state — The __set_state handler
DateTimeImmutable::setDate — Sets the date
DateTimeImmutable::setISODate — Sets the ISO date
DateTimeImmutable::setTime — Sets the time
DateTimeImmutable::setTimestamp — Sets the date and time based on a Unix timestamp
DateTimeImmutable::setTimezone — Sets the time zone
DateTimeImmutable::sub — Subtracts an amount of days, months, years, hours, minutes and seconds

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