Source code and handouts can be obtained from Q group: 589912610; why you need to make your own PHP framework: 1. Meet specific needs: Each project has different needs and characteristics, and using a general framework may not meet all requirements. Custom frameworks can be tailored to specific needs, providing a more flexible and project-friendly solution. 2. Learn and grow: Custom frameworks are a great opportunity to learn and grow. By developing the framework yourself, you can gain an in-depth understanding of the principles and mechanisms of the framework and improve your understanding and mastery of the underlying technology. 3. Long-term maintenance: Using a custom framework can better grasp the core code of the project, which facilitates long-term maintenance and bug fixing. Not relying on external frameworks also means fewer version migration and dependency issues. 4. Performance optimization: For specific projects, developers can optimize the framework according to the characteristics of the project to make it perform better. 5. Easy to use and maintain: Developers can customize the framework to make it more in line with the team's coding habits, thereby improving development efficiency. At the same time, custom frameworks can also be maintained and upgraded more conveniently. 6. Security: Customizing the framework allows for better control over various parts of the framework and therefore better control over the security of the project. In general, the self-made PHP framework is to better meet the needs of the project, improve development efficiency, facilitate maintenance and upgrades, and improve the security and performance of the project. This series of courses is mainly to achieve learning and growth and meet our specific needs. In other words, to learn the Laravel framework