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研究php开源源码的方法与技巧

Jun 13, 2016 am 09:36 AM
php Open source Skill method Source code

本人最近在研究学习phpcms的源码,已经研究了快有一周了,下面结合在网上找的一些研究php开源源码程序分析方法以及自己的见解分享一下如何研究php开源源码的方法以及一些技巧吧。
 
一、首先得把源代码安装起来,让他能够通过http访问。了解一下该应用大概有那些功能以及url是如何进行请求分发的。
 
二、浏览源代码的目录结构,了解各个目录的功能。
 
三、分析源代码框架。例如入口方式是单入口还是多入口,页面之间的调用规则,能根据规则找出某个功能用到的页面。
 
四、熟悉源代码的编码风格,例如变量命名方式,函数以及类的命名方式,缩进方式,排版格式等。
 
五、熟悉一下源代码用到的数据库和表,如果有参考文档可以参考它的技术支持文档。
 
六、经过以上几步相信大家已经对这份源代码有了更深刻的了解,不过这种了解还只是表面的,下来我们从6个方面具体的去分析它吧:
 
1.入口构造以及页面调用方式的具体实现,如果阅读时看到工具类和工具函数,尽量去熟悉一下。分析源代码用到的工具类和工具函数,这样可以学到很多程序编写技巧。可以提升自己编程功力。这一步的分析可以学习到源代码的系统架构方式。
 
2..结合一些安全规则,研究这个源代码是怎样实现安全方面的设计的。这样可以提高自己在安全方面的意识和功力。
 
3.如果有模板引擎的话,研究一下源代码的模板引擎。大致从实现方式,效率,易用性等几个方面去考虑。
 
4.研究系统的各个功能模块,这样既能学习编程技巧还能打开自己的编程思路,下次遇到类似的应用开发就得心应手了。
 
5.研究系统所用到设计模式,一样的功能实现,用到的设计模式可能相差很多,对比我们之前所作的应用分析设计模式,能大大的提升提升我们驾驭代码的功力。
 
7.研究源代码对访问压力,执行效率,系统效率,数据库查询方面的优化,当然这个的前提也得你研究的源码有这方面的考虑才行。

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