Same name and namespace in other branches
  1. 8.9.x core/modules/book/src/BookUninstallValidator.php \Drupal\book\BookUninstallValidator::hasBookOutlines()
  2. 9 core/modules/book/src/BookUninstallValidator.php \Drupal\book\BookUninstallValidator::hasBookOutlines()

Checks if there are any books in an outline.

Return value

bool TRUE if there are books, FALSE if not.

1 call to BookUninstallValidator::hasBookOutlines()
BookUninstallValidator::validate in core/modules/book/src/BookUninstallValidator.php
Determines the reasons a module can not be uninstalled.

File

core/modules/book/src/BookUninstallValidator.php, line 76

Class

BookUninstallValidator
Prevents book module from being uninstalled under certain conditions.

Namespace

Drupal\book

Code

protected function hasBookOutlines() {
  return $this->bookOutlineStorage
    ->hasBooks();
}