# The MongoDB\BSON\UTCDateTimeInterface interface

(mongodb >=1.3.0)

## Introduction

This interface is implemented by MongoDB\BSON\UTCDateTime to be used as a parameter, return, or property type in userland classes.

## Class synopsis

class MongoDB\BSON\UTCDateTimeInterface {
/* Methods */
abstract public function toDateTime(): DateTime
abstract public function toDateTimeImmutable(): DateTimeImmutable
abstract public function __toString(): string
}

## Changelog

Version | Description
--- | ---
PECL mongodb 2.0.0 | Return types previously declared as tentative are now enforced.
PECL mongodb 1.15.0 | Return types for methods are declared as tentative on PHP 8.0 and newer, triggering deprecation notices in code that implements this interface without declaring the appropriate return types. The `#[ReturnTypeWillChange]` attribute can be added to silence the deprecation notice.

## Table of Contents

- MongoDB\BSON\UTCDateTimeInterface::toDateTime — Returns the DateTime representation of this UTCDateTimeInterface
- MongoDB\BSON\UTCDateTimeInterface::toDateTimeImmutable — Returns the DateTimeImmutable representation of this UTCDateTimeInterface
- MongoDB\BSON\UTCDateTimeInterface::__toString — Returns the string representation of this UTCDateTimeInterface

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