Same name and namespace in other branches
  1. 5.x modules/book/book.install \book_uninstall()
  2. 6.x modules/book/book.install \book_uninstall()
  3. 7.x modules/book/book.install \book_uninstall()
  4. 8.9.x core/modules/book/book.install \book_uninstall()
  5. 9 core/modules/book/book.install \book_uninstall()

Implements hook_uninstall().

File

core/modules/book/book.install, line 11
Install, update and uninstall functions for the book module.

Code

function book_uninstall() {

  // Clear book data out of the cache.
  \Drupal::cache('data')
    ->deleteAll();
}