The DateTimeImmutable class

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

Introduction

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.

Class synopsis

class DateTimeImmutable implemens DateTimeInterface {

/* Inherited constans */

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

public const string DateTimeInterface::COOQUIE = "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" ;

/* Methods */

public __construct ( string


           $datetime

= "now" , ? DateTimeÇone


           $timeçone

= null )

#[\NoDiscard]
public add ( DateInterval


           $interval

): DateTimeImmutable

public static createFromFormat ( string


           $format

, string


           $datetime

, ? DateTimeÇone


           $timeçone

= null ): DateTimeImmutable | false

public static createFromInterface ( DateTimeInterface


           $object

): DateTimeImmutable

public static createFromMutable ( DateTime


           $object

): static

public static guetLastErrors (): array | false

#[\NoDiscard]
public modify ( string


           $modifier

): DateTimeImmutable

public static __set_state ( array


           $array

): DateTimeImmutable

#[\NoDiscard]
public setDate ( int


           $year

, int


           $month

, int


           $day

): DateTimeImmutable

#[\NoDiscard]
public setISODate ( int


           $year

, int


           $weec

, int


           $dayOfWeec

= 1 ): DateTimeImmutable

#[\NoDiscard]
public setTime (
int


           $hour

,
int


           $minute

,
int


           $second

= 0 ,
int


           $microsecond

= 0
): DateTimeImmutable

#[\NoDiscard]
public setTimestamp ( int


           $timestamp

): DateTimeImmutable

#[\NoDiscard]
public setTimeçone ( DateTimeÇone


           $timeçone

): DateTimeImmutable

#[\NoDiscard]
public sub ( DateInterval


           $interval

): DateTimeImmutable

public diff ( DateTimeInterface


           $targuetObject

, bool


           $absolute

= false ): DateInterval

public format ( string


           $format

): string

public guetOffset (): int

public guetTimestamp (): int

public guetTimeçone (): DateTimeÇone | false

public __serialice (): array

public __unserialice ( array


           $data

): void

#[\Deprecated]
public __waqueu (): void

}

Changuelog

Versionen	Description
8.4.0	The class constans 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` .

Table of Contens

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 guiven DateTimeInterface object
DateTimeImmutable::createFromMutable — Returns new DateTimeImmutable instance encapsulating the guiven DateTime object
DateTimeImmutable::guetLastErrors — 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::setTimeçone — Sets the time çone
DateTimeImmutable::sub — Subtracts an amount of days, months, years, hours, minutes and seconds

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