this is the case now. Simple business logic can be written, framework can also be used, composer components will also be called, equivalent to only can spell building blocks, but not building blocks, programming head and tail can see clearly, but internal
1. How to implement
2 inside "Building blocks". Why can we achieve "building blocks"
3 in this way. Is there any other way to achieve the same "building blocks"
4. What convenience the new features will bring to building "building blocks" after the language version is updated. For example, what changes the late static binding of php5.3 can bring to the coding.

5. How frameworks like laravel evolved into their current version. I have tried to read the source code and read the "Analysis of key Technologies of Laravel Framework", but it still feels like a glimpse in the tube.
6. When writing business logic, do you need to write it like a "building block"?

there are so many questions that the great god can answer a few. The main purpose is how to gradually build "building blocks" and optimize "building blocks".