أفضل جواب: The term you're looking for is singleton.Both static methods and instance methods on a singleton are okay ... الإطلاع على المزيد

أفضل جواب: the basic diffrence between interface and abstract class is, interface have all the method declaration o ... الإطلاع على المزيد

أفضل جواب: <p>You need to do parent::test() call - or not do not declare method in child class at all. In seco ... الإطلاع على المزيد

أفضل جواب: Keeping the difference part short and simple , I'll emphasis when to use Interface over Abstract class . ... الإطلاع على المزيد