book_page_alter
function book_page_alter
book_page_alter(&$page)
Implements hook_page_alter().
Adds the book menu to the list of menus used to build the active trail when viewing a book page.
File
- modules/book/book.module, line 905
- Allows users to create and organize related content in an outline.
Code
function book_page_alter(&$page) { if (($node = menu_get_object()) && !empty($node->book['bid'])) { $active_menus = menu_get_active_menu_names(); $active_menus[] = $node->book['menu_name']; menu_set_active_menu_names($active_menus); } }
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https://api.drupal.org/api/drupal/modules!book!book.module/function/book_page_alter/7.x