function BookOutlineStorage::hasBooks
Same name in other branches
- 9 core/modules/book/src/BookOutlineStorage.php \Drupal\book\BookOutlineStorage::hasBooks()
- 8.9.x core/modules/book/src/BookOutlineStorage.php \Drupal\book\BookOutlineStorage::hasBooks()
- 11.x core/modules/book/src/BookOutlineStorage.php \Drupal\book\BookOutlineStorage::hasBooks()
File
-
core/
modules/ book/ src/ BookOutlineStorage.php, line 36
Class
- BookOutlineStorage
- Defines a storage class for books outline.
Namespace
Drupal\bookCode
public function hasBooks() {
return (bool) $this->connection
->query('SELECT count([bid]) FROM {book}')
->fetchField();
}
Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.