In the first place, let me reveal to you what PHPMyAdmin is. It is a control board from where you can deal with your database that you have made. Open your program and go to localhost/PHPMyAdmin or snap "Administrator" in XAMPP UI.
On this page of the site you can watch the video online How to Test PHP MySQL Database Connection Using Script with a duration of hours minute second in good quality, which was uploaded by the user php lab 16 January 2019, share the link with friends and acquaintances, this video has already been watched 69 times on youtube and it was liked by 0 viewers. Enjoy your viewing!