1 system.api.php hook_menu_block_tree_alter(&$tree, &$config)

Modify a menu structure before it is rendered in a menu block.

The tree contains an array of menu links in the order they should be rendered. menu_tree_page_data() explains the data structure in more detail.

Parameters

array $tree: An array of menu links.

array $config: The settings for a menu block.

See also

system_menu_tree_block_data()

menu_tree_page_data()

Related topics

Hooks Allow modules to interact with the Backdrop core.

File

core/modules/system/system.api.php, line 1241
Hooks provided by Backdrop core and the System module.

Code

function hook_menu_block_tree_alter(&$tree, &$config) {

  // Trim to the active path regardless of block settings.
  system_menu_tree_trim_active_path($tree);

  // Force the style to be a tree.
  $config['style'] = 'tree';
}