delta/php-git.git/tests/classes/bug65768.phpt, branch php-7.4.0RC4 git.php.net: repository/php-src.git Fixed bug #65768: DateTimeImmutable::diff does not work 2013-11-29T22:31:07+00:00 nikita2206 inefedor@gmail.com 2013-10-29T15:40:17+00:00 5f09944662e09ea0b3f93cfab8702f188955e68c This commit also prevents user classes from directly implementing DateTimeInterface, because ext/date relies on classes implementing it to support certain internal structures. 
This commit also prevents user classes from directly implementing
DateTimeInterface, because ext/date relies on classes implementing
it to support certain internal structures.