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.

1 method overrides MenuLinkTreeInterface::getSubtreeHeight()

MenuLinkTree::getSubtreeHeight in core/lib/Drupal/Core/Menu/MenuLinkTree.php

Finds the height of a subtree rooted by of the given ID.

File

core/lib/Drupal/Core/Menu/MenuLinkTreeInterface.php, line 114

Class

MenuLinkTreeInterface

Defines an interface for loading, transforming and rendering menu link trees.

Namespace

Drupal\Core\Menu

Code

public function getSubtreeHeight($id);

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