PHP also gives you the get_called_class, which you will use heavily because many of the design patterns you'll implement require the class name of derived classes.
PHP还提供了get _ called _ class供您大量使用,因为您要实现的设计模式常常会需要衍生类的类名。
Founder mutations are a class of disease-causing genetic mutations, each derived from its own ancestral "founder" in whom the mutation originated.
创始者突变是一类引起疾病的基因突变,每一种都源自其自身祖先的“创始者”。
This is similar to an abstract class where some of the code is left to the programmer to implement in a derived class -- or, in this case, a derived aspect.
一个抽象的类的一些编码被留给了编程人员,编程人员使用它在一个导出的类中执行,或者在一个导出的方面中执行。
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