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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|false

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
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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