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Solution to the problem that php cannot connect to mysql through localhost 127.0.0.1
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If you see the red dot, it means mysql is not open
Your Mysql is not turned on, of course it cannot be connected!
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
If you see the red dot, it means mysql is not open
Your Mysql is not turned on, of course it cannot be connected!