Use PHP to interconnect with the database to realize PHP query of database content.
$conn = mysql_connect("localhost", "root");
$conn = mysql_connect("localhost", "root", "", "yourdb");
Baidu has a lot of such simple things
![[Web front-end] Node.js quick start](https://img.php.cn/upload/course/000/000/067/662b5d34ba7c0227.png)
$conn = mysql_connect("localhost", "root");
$conn = mysql_connect("localhost", "root", "", "yourdb");
Baidu has a lot of such simple things