Test PHP locally. Every time after modifying the code, there is no change after refreshing the browser. It will take a while and refreshing several times before the effect will appear. It always fails to respond after refreshing. What is the problem?
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Do you use phpstudy for your local environment?
Modify the mysql database link address to ip address 127.0.0.1
No, it will be the same even if it is cleaned up
Is it because of caching?