public MenuTreeStorage::getSubtreeHeight($id)
Finds the height of a subtree rooted by the given ID.
Parameters
string $id: The ID of an item in the storage.
Return value
int Returns the height of the subtree. This will be at least 1 if the ID exists, or 0 if the ID does not exist in the storage.
Overrides MenuTreeStorageInterface::getSubtreeHeight
File
- core/lib/Drupal/Core/Menu/MenuTreeStorage.php, line 422
Class
- MenuTreeStorage
- Provides a menu tree storage using the database.
Namespace
Drupal\Core\Menu
Code
public function getSubtreeHeight($id) { $original = $this->loadFull($id); return $original ? $this->doFindChildrenRelativeDepth($original) + 1 : 0; }
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