'application.php';
require_once PRESENTATION_DIR . 'link.php';
// Load the database handler
require_once BUSINESS_DIR . 'database_handler.php';
7. Load TShirtShop, and make sure it still works as expected. This exercise isn??™t supposed to alter our existing
functionality but to implement an improvement that will prove to be of great help when extending the site in
the following chapters.
How It Works: Using the Link Factory
First of all, make sure the new entry you added to config.php is configured correctly. If you??™re running your web
site on a different port than the default of 80 (say, if you??™re using port 8080), make sure you specify the correct port
in the HTTP_SERVER_PORT constant. Now, let??™s see how the link factory works. The Link presentation object is
used as shown by the modifications you??™ve implemented in store_front.tpl and departments_list.tpl,
and it transforms the relative links received as parameters to absolute links.
?– Note In case you aren??™t using the tshirtshop alias as explained in Chapter 3, you??™ll need to modify the
VIRTUAL_LOCATION constant in config.php to reflect the real location of your web application.
Note that the Build() method doesn??™t add the port if the HTTP_SERVER_PORT constant isn??™t defined or if it contains
the default port 80:
// If HTTP_SERVER_PORT is defined and different than default
if (defined('HTTP_SERVER_PORT') && HTTP_SERVER_PORT != '80')
{
// Append server port
$base .
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