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    La clase DateTimeImmutable

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

    Introducción

    Esta clase se comporta igual que DateTime con la excepción de que nunca se modifica a sí misma, sino que devuelve un nuevo objeto en su lugar.

    Sinopsis de la Clase

    class DateTimeImmutable implements DateTimeInterface {
    /* Constantaes heredadas constants */
    const string DateTimeInterface::ATOM = "Y-m-d\TH:i:sP";
    const string DateTimeInterface::COOKIE = "l, d-M-Y H:i:s T";
    const string DateTimeInterface::ISO8601 = "Y-m-d\TH:i:sO";
    const string DateTimeInterface::RFC822 = "D, d M y H:i:s O";
    const string DateTimeInterface::RFC850 = "l, d-M-y H:i:s T";
    const string DateTimeInterface::RFC1036 = "D, d M y H:i:s O";
    const string DateTimeInterface::RFC1123 = "D, d M Y H:i:s O";
    const string DateTimeInterface::RFC2822 = "D, d M Y H:i:s O";
    const string DateTimeInterface::RFC3339 = "Y-m-d\TH:i:sP";
    const string DateTimeInterface::RFC3339_EXTENDED = "Y-m-d\TH:i:s.vP";
    const string DateTimeInterface::RSS = "D, d M Y H:i:s O";
    const string DateTimeInterface::W3C = "Y-m-d\TH:i:sP";
    /* Métodos */
    public __construct(string $time = "now", DateTimeZone $timezone = null)
    public add(DateInterval $interval): DateTimeImmutable
    public static createFromFormat(string $format, string $time, DateTimeZone $timezone = ?): DateTimeImmutable
    public static createFromInterface(DateTimeInterface $object): DateTimeImmutable
    public static createFromMutable(DateTime $datetime): DateTimeImmutable
    public static getLastErrors(): array
    public modify(string $modify): DateTimeImmutable
    public static __set_state(array $array): DateTimeImmutable
    public setDate(int $year, int $month, int $day): DateTimeImmutable
    public setISODate(int $year, int $week, int $day = 1): DateTimeImmutable
    public setTime(
        int $hour,
        int $minute,
        int $second = 0,
        int $microseconds = 0
    ): DateTimeImmutable
    public setTimestamp(int $unixtimestamp): DateTimeImmutable
    public setTimezone(DateTimeZone $timezone): DateTimeImmutable
    public sub(DateInterval $interval): DateTimeImmutable
    public diff(DateTimeInterface $datetime2, bool $absolute = false): DateInterval
    public format(string $format): string
    public getOffset(): int
    public getTimestamp(): int
    public getTimezone(): DateTimeZone
    public __wakeup()
    }

    Tabla de contenidos

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    User Contributed Notes 3 notes

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    25
    taoufik dot oussama at gmail dot com
    6 years ago
    Here's a simple example on how this class works :

        // Create a DateTimeImmutable Object
        $date = new DateTimeImmutable('2000-01-01');
        // "Change" that object and assign it's value to a new variable
        $date2 = $date->add(new DateInterval('P6M5DT24H'));
        // Check out the content of the two variables
        echo $date->format('Y-m-d') . "\n";
        // 2000-01-01
        echo $date2->format('Y-m-d') . "\n";
        // 2000-07-07
    up
    15
    katsarov at gmail dot com
    5 years ago
    Note: If you are trying to get 02.29 for non leap year it will return 03.01
    Example:
    <?php
    new DateTimeImmutable('2017-02-29') // 2017-03-01
    ?>
    up
    -25
    soullinker0 googlemail
    5 years ago
    class MyDateTime extends DateTimeImmutable
    {
        public function addDay(int $amount): MyDateTime
        {
            return $this->add(new DateInterval("P" . $amount . "D"));
        }
    }

    addDay will return DateTimeImmutable not MyDateTime. It looks like there is no "return static;"
    i wish i would be
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