I just saw the section "PHP Classic Design Patterns", why do I feel like I haven't finished it yet? Do I need to pay to watch the full version?
There are currently 23 known design patterns, divided into 6 categories, but there are not many commonly used ones. The course only lists a few that are useful in the framework. For more information, you can refer to your *** textbook.
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
There are currently 23 known design patterns, divided into 6 categories, but there are not many commonly used ones. The course only lists a few that are useful in the framework. For more information, you can refer to your *** textbook.