What is PHP two times development, how to do PHP two times development?

What is PHP two-time development
The so-called two times development, simply say is to modify other people's things, become what you want, plug-ins are basically high-end, according to the existing procedures of deficiencies, to improve the decoration, and then achieve the function and effect that they want to achieve.

How to do PHP two times development
Two development and the development of a different place is that you have to read someone else's code first to do, two times development, first you need to know what the program to do two development, such as some recruitment information will be written discuz two times development, Shopex two times development. These are functional extensions developed for already-formed programs.

First, you have to have this open source language language base, is to understand the code is the most basic, if you can not understand how the code two times development.

Second, you have to be familiar with the function and use of this open source product, because you are familiar with, you know a demand down, you want to change what, what is the system comes with, probably how to change.

Thirdly, you should familiarize yourself with the data structure of this open source product, the structure of the Code, the framework of the system, where the core is, and where the ancillary functions are. The simple point is that the database, code logic, file directory familiarity.

Four, according to your needs, and then use the core of the open source products, to expand and modify the system to meet your needs.

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What is PHP two times development, how to do PHP two times development?