Object-oriented programming (OOP) is a wonderful tool.

面向对象编程 (OOP) 是一种极好的工具。

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When PHP V5 was released in 2004, it was a giant leap forward compared to what PHP V4 provided in regards to object-oriented programming (OOP) and design.

与 PHP V4 提供的特性相比，2004 年发布的 PHP V5 在面向对象编程（OOP）和设计方面向前迈出了很大的一步。

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R is capable of fully general object-oriented programming, but to understand this, you need to step back a bit in your thinking about what OOP is.

R能够进行完全面向对象的编程，但是要理解这种方式，需要重新回顾一下您对OOP的认识。

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