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What is the conn.php database connection code like
require_once('conn.php');
Get the variables in conn.php directly ￥conn
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
require_once('conn.php');
Get the variables in conn.php directly ￥conn