Extract all of these files into a directory called CHECKING.
Open pagetop.php change the line below so that it is the correct location for connection.php:
require($_SERVER['DOCUMENT_ROOT'].'lastname/data/connection.php'); //wherever your function connect is located.
Upload all of the files.
Navigate to your web page /lastname/CHECKING
In the index select Create table. This will not appear after the table is created.
This is not really intended as a checkbook manager, there are many excellent applications with more features. This was intended as a teaching tool. Clarity was chosen over fancy features and options. As you look at the code and use it you may want to add additional features and options.