public DefaultMenuLinkTreeManipulators::flatten(array $tree)
Flattens the tree to a single level.
Parameters
\Drupal\Core\Menu\MenuLinkTreeElement[] $tree: The menu link tree to manipulate.
Return value
\Drupal\Core\Menu\MenuLinkTreeElement[] The manipulated menu link tree.
File
- core/lib/Drupal/Core/Menu/DefaultMenuLinkTreeManipulators.php, line 252
Class
- DefaultMenuLinkTreeManipulators
- Provides a couple of menu link tree manipulators.
Namespace
Drupal\Core\Menu
Code
public function flatten(array $tree) { foreach ($tree as $key => $element) { if ($tree[$key]->subtree) { $tree += $this->flatten($tree[$key]->subtree); } $tree[$key]->subtree = array(); } return $tree; }
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