protected BookManager::addParentSelectFormElements(array $book_link)
The book manager. Type:
public BookOutlineStorage::getChildRelativeDepth($book_link
public BookNavigationCacheContext::
public BookRemoveForm::submitForm(array &$form, FormStateInterface
public BookOutlineForm::getBaseFormId()
Default theme implementation to display a book tree. Returns HTML for a wrapper for a book sub-tree. Available
Prevents book module from being uninstalled whilst any book nodes exist or there are any book outline stored. Hierarchy
Books Array. Type:
Page 14 of 21