tailieunhanh - Phát triển web với PHP và MySQL - p 66

Building a Web-Based Email Service CHAPTER 27 625 LISTING Continued store_account_settings($auth_user, $HTTP_POST_VARS); break; } case ‘select-account’ : { // if have chosen a valid account, store it as a session variable if($account&&account_exists($auth_user, $account)) { $selected_account = $account; session_register(‘selected_account’); } } } // set the buttons that will be on the tool bar $buttons[0] = ‘view-mailbox’; $buttons[1] = ‘new-message’; $buttons[2] = ‘account-setup’; //only offer a log out button if logged in if(check_auth_user()) { $buttons[4] = ‘log-out’; } //***************************************************************************** // Stage 2: headers // Send the HTML headers and menu bar appropriate to current action //***************************************************************************** if($action) { // display header with application name and. | Building a Web-Based Email Service 625 Chapter 27 Listing Continued store_account_settings auth_user HTTP_POST_VARS break case select-account if have chosen a valid account store it as a session variable if account account_exists auth_user account selected_account account session_register selected_account set the buttons that will be on the tool bar buttons 0 view-mailbox buttons 1 new-message buttons 2 account-setup only offer a log out button if logged in if check_auth_user buttons 4 log-out Stage 2 headers Send the HTML headers and menu bar appropriate to current action if action display header with application name and description of page or action do_html_header auth_user Warm Mail - . format_action action selected_account else display header with just application name do_html_header auth_user Warm Mail selected_account display_toolbar buttons Stage 3 body Depending on action show appropriate main body content 27 Building a Web-Based Email Service Building Practical PHP and MySQL Projects 626 Part V Listing Continued display any text generated by functions called before header echo status if check_auth_user echo P You need to log in if action action log-out echo to go to .format_action action echo . br br display_login_form action else switch action if we have chosen to setup a new account or have just added or deleted an account show account setup page case store-settings case account-setup case delete-account display_account_setup auth_user break case send-message if send_message to cc subject message echo p Message sent. br br br br br br else echo p Could not send message. br br br br br br break case delete delete_message auth_user selected_account messageid note deliberately no break - we will continue to the next case case select-account case view-mailbox if mailbox just chosen or view mailbox chosen show mailbox display_list auth_user selected_account break case show-headers case hide-headers Building a Web-Based Email Service 627 Chapter 27