ajax_prepare_response in core/includes/ajax.inc

Converts the return value of a page callback into an Ajax commands array.

backdrop_deliver_html_page in core/includes/common.inc

Packages and sends the result of a page callback to the browser as HTML.

backdrop_json_deliver in core/includes/common.inc

Packages and sends the result of a page callback to the browser as JSON.

backdrop_site_offline in core/includes/common.inc

Delivers a "site is under maintenance" message to the browser.

hook_menu_site_status_alter in core/modules/system/system.api.php

Control site status before menu dispatching.

menu_execute_active_handler in core/includes/menu.inc

Execute the page callback associated with the current path.

menu_get_custom_theme in core/includes/menu.inc

Gets the custom theme for the current page, if there is one.

menu_test_menu_site_status_alter in core/modules/simpletest/tests/menu_test.module

Implements hook_menu_site_status_alter().

user_menu_site_status_alter in core/modules/user/user.module

Implements hook_menu_site_status_alter().

_menu_site_status in core/includes/menu.inc

Checks whether the site is in maintenance mode.