function _book_flatten_menu
_book_flatten_menu($tree, &$flat)
Recursively converts a tree of menu links to a flat array.
Parameters
$tree: A tree of menu links in an array.
$flat: A flat array of the menu links from $tree, passed by reference.
See also
File
- modules/book/book.module, line 744
- Allows users to create and organize related content in an outline.
Code
function _book_flatten_menu($tree, &$flat) { foreach ($tree as $data) { if (!$data['link']['hidden']) { $flat[$data['link']['mlid']] = $data['link']; if ($data['below']) { _book_flatten_menu($data['below'], $flat); } } } }
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https://api.drupal.org/api/drupal/modules!book!book.module/function/_book_flatten_menu/7.x