(PHP 7 >= 7.3.0)
DateTime::createFromImmutable — Returns new DateTime object encapsulating the given DateTimeImmutable object
datetime
The immutable DateTimeImmutable object that needs to be converted to a mutable version. This object is not modified, but instead a new DateTime object is created containing the same date, time, and timezone information.
Пример #1 Creating a mutable date time object
<?php
$date = new DateTimeImmutable("2014-06-20 11:45 Europe/London");
$mutable = DateTime::createFromImmutable( $date );
?>
Returns a new DateTime instance.