Maxxus PRO SPK-23 Especificaciones descargar pdf (Pagina 603)

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The code for the admin menu is shown in Listing 25.17.

LISTING 25.17 admin.php—This Script Authenticates the Administrator and Lets Her

Access the admin Functions

// include function files for this application

require_once(“book_sc_fns.php”);

session_start();

if ($username && $passwd)

// they have just tried logging in

{

if (login($username, $passwd))

{

// if they are in the database register the user id

$admin_user = $username;

session_register(“admin_user”);

}

else

{

// unsuccessful login

do_html_header(“Problem:”);

echo “You could not be logged in.

You must be logged in to view this page.<br>”;

do_html_url(“login.php”, “Login”);

do_html_footer();

exit;

}

do_html_header(“Administration”);

if (check_admin_user())

display_admin_menu();

else

echo “You are not authorized to enter the administration area.”;

do_html_footer();

This code probably looks familiar; it is similar to a script from Chapter 24. After the adminis-

trator reaches this point, she can change her password or log out—this code is identical to the

code in Chapter 24, so we will not cover it here.

Building a Shopping Cart

HAPTER 25

UILDING A

SHOPPING CART

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31 7842 CH25 3/6/01 3:39 PM Page 577

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