# DateTimeImmutable::createFromMutable

(PHP 5 >= 5.6.0, PHP 7, PHP 8)

DateTimeImmutable::createFromMutable — Returns new DateTimeImmutable instance encapsulating the given DateTime object

### 说明

public static DateTimeImmutable::createFromMutable(DateTime `$object`): static

### 参数

`object`

  The mutable DateTime object that you want to convert to an immutable version. This object is not modified, but instead a new DateTimeImmutable instance is created containing the same date time and timezone information.

### 返回值

Returns a new DateTimeImmutable instance.

### 更新日志

版本 | 说明
--- | ---
8.0.0 | The method returns an instance of the currently invoked class now. Previously, it created a new instance of DateTimeImmutable.

### 示例

示例 #1 Creating an immutable date time object

`<?php
$date = new DateTime("2014-06-20 11:45 Europe/London");
$immutable = DateTimeImmutable::createFromMutable( $date );`
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