If you aren't familiar with the concepts of object-oriented programming, a class is simply a blueprint for building and interacting with a particular thing.

如果您对面向对象的编程的概念不太熟悉，那么可以将类想像成只是一个用于构建特殊事物并与之交互的蓝图。

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For more information about writing more maintainable PHP by using object-oriented programming concepts and design patterns, see Resources.

有关如何用面向对象编程的概念和设计模式编写更易于维护的 PHP 的详细信息，请参见 参考资料。

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In object-oriented programming (OO) there are two pivotal concepts: classes and objects.

面向对象编程(object - oriented programming, OO)中有两个关键概念：类和对象。

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