Learn the source method of the php open source project

This article introduces the relevant knowledge of "learning the source method of php open source project". In the operation of the actual case, many people will encounter such a dilemma, so let the editor lead you to learn how to deal with these situations. I hope you can read it carefully and be able to achieve something!

one. First install the source code, combined with its documentation and manuals, familiar with its functions and how it is applied.

two. Browse the directory structure of the source code to understand the functions of each directory.

three. After the above two steps, I believe you have a preliminary understanding of this open source product, so start analyzing its source code now. In this step, we begin to analyze the source code framework. For example, whether the entry method is single-entry or multi-entry, and the calling rules between pages, you can find out the pages used for a certain function according to the rules.

four. Familiar with the code writing style of the source code, such as indentation, typesetting format, etc.

five. If you are familiar with the databases and tables used in the source code, you can refer to its technical support documentation.

six. After the above steps, I believe you have a deeper understanding of this source code, but this understanding is only superficial, let's analyze it from six aspects:

1. The entry structure and the specific implementation of the page call method, if you see tool classes and tool functions while reading, try to be familiar with them. The analysis of this step can learn the system architecture of the source code.

two。 Analyze the tool classes and tool functions used in the source code, so you can learn a lot of programming skills. You can improve your programming skills.

3. Combined with some security rules, study how this source code implements the security design. In this way, you can improve your awareness and skills in safety.

4. If there is a template engine, study the template engine of the source code. Roughly from the way of implementation, efficiency, ease of use and other aspects to consider.

5. Study the functional modules of the system, so that you can not only learn programming skills but also open your own programming ideas, the next time you encounter something similar in mind.

6. The design patterns used in the research system are the same functional implementation, and the design patterns used may be very different. Comparing with what we have done before to analyze the design patterns is the only way to improve our control of the code.

7. Study the optimization of source code on access pressure, execution efficiency, system efficiency and database query.

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