Checking if an instance's class implements an interface?

Question

Given a class instance, is it possible to determine if it implements a particular interface? As far as I know, there isn\'t a built-in function to do this directly. What opt

Answer 1

You can also do the following

public function yourMethod(YourInterface $objectSupposedToBeImplementing) {
   //.....
}

It will throw an recoverable error if the $objectSupposedToBeImplementing does not implement YourInterface Interface.