DateTimeImmutable 类

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

    简介

    日期和时间的表示。

    此类与 DateTime 的行为相同，除了在调用修改方法（如 DateTime::modify()）时返回新对象。

    类概要

    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
    }

    变更日志

    版本 描述
    7.1.0 DateTimeImmutable 现在构造函数包括构建值时的当前微秒。在此之前，它将始终将微秒初始化为 0。

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