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The login interface stores and prints the user information session normally. When the user information and user name are called on the display page, the page reports an error. It can be confirmed that 99% of the code is good.
Hello, the reason may be that session_start() is not written in the
page; remember to reply
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
Hello, the reason may be that session_start() is not written in the
page; remember to reply