Creating the Control Logic

The hr.php file contains all the application control logic. The hr.php file contains the code that starts the application when initiated by an HTTP request from a browser.

The PHP application processes the following code to call functions that access the database and create the user interface:

require('hr_cn.inc');
require('hr_db.inc');
require('hr_ui.inc');

The code is made up of the main page control logic call the login page, and respond to subsequent user requests.