原型在 PHP 中的实现
Prototype is a creational design pattern that allows cloning objects, even complex ones, without coupling to their specific classes.
All prototype classes should have a common interface that makes it possible to copy objects even if their concrete classes are unknown. Prototype objects can produce full copies since objects of the same class can access each other's private fields.
在 PHP 中使用模式
Usage examples: The Prototype pattern is available in PHP out of the box. You can use the
clone keyword to create an exact copy of an object. To add cloning support to a class, you need to implement a