DateTimeInterface

&reftitle.intro; DateTimeInterface is meant so that both DateTime and DateTimeImmutable can be type hinted for. It is not possible to implement this interface with userland classes.

&reftitle.classsynopsis; DateTimeInterface DateTimeInterface &Methods;

&reftitle.changelog; &Version; &Description; 5.5.8 Trying to implement DateTimeInterface raises a fatal error now. Formerly implementing the interface didn't raise an error, but the behavior was erroneous.

&reference.datetime.entities.datetimeinterface;