Re: Extending classes multiple times

> I had been under the impression that one could extend a class only once. > That is, if I extend class A with class B I would then not be able to > extend B again with any other class. > > See: http://www.php.net/manual/en/keyword.extends.php > "An extended class is always dependent on a single base class, that is, > multiple inheritance is not supported. Classes are extended using the > keyword 'extends'." > > With some testing however, it appears that I can extend class B with > class C and class C with class D and so on... > > Am I misinterpreting the manual? I suspect I am. Or is this a new > feature. Thoughts? This is not a new feature. In your example each class only has a single parent. Multiple Inheritance is when you do something like: class C extends A,B { ... } Doing B extends A followed by C extends B is still single inheritance. -Rasmus