public BookOutlineStorage::getBookSubtree($link, $max_depth)
Get book subtree.
Parameters
array $link: A fully loaded book link.
int $max_depth: The maximum supported depth of the book tree.
Return value
array Array of unordered subtree book items.
Overrides BookOutlineStorageInterface::getBookSubtree
File
- core/modules/book/src/BookOutlineStorage.php, line 188
Class
- BookOutlineStorage
- Defines a storage class for books outline.
Namespace
Drupal\book
Code
1 2 3 4 5 6 7 8 9 10 11 12 13 | public function getBookSubtree($link, $max_depth) { $query = db_select('book', 'b', array('fetch' => \PDO::FETCH_ASSOC)); $query->fields('b'); $query->condition('b.bid', $link['bid']); for ($i = 1; $i <= $max_depth && $link["p$i"]; ++$i) { $query->condition("p$i", $link["p$i"]); } for ($i = 1; $i <= $max_depth; ++$i) { $query->orderBy("p$i"); } return $query->execute();} |
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