MenuLinkTree::getSubtreeHeight
public function MenuLinkTree::getSubtreeHeight
public MenuLinkTree::getSubtreeHeight($id)
Finds the height of a subtree rooted by of the given ID.
Parameters
string $id: The ID of an item in the storage.
Return value
int Returns the height of the subtree. This will be at least 1 if the ID exists, or 0 if the ID does not exist in the storage.
Overrides MenuLinkTreeInterface::getSubtreeHeight
File
- core/lib/Drupal/Core/Menu/MenuLinkTree.php, line 287
Class
- MenuLinkTree
- Implements the loading, transforming and rendering of menu link trees.
Namespace
Drupal\Core\MenuCode
public function getSubtreeHeight($id) { return $this->treeStorage->getSubtreeHeight($id); }
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https://api.drupal.org/api/drupal/core!lib!Drupal!Core!Menu!MenuLinkTree.php/function/MenuLinkTree::getSubtreeHeight/8.1.x