function _book_parent_depth_limit
Finds the depth limit for items in the parent select.
Parameters
$book_link: A fully loaded menu link that is part of the book hierarchy.
Return value
The depth limit for items in the parent select.
2 calls to _book_parent_depth_limit()
- book_node_prepare in modules/
book/ book.module - Implements hook_node_prepare().
- book_outline_form in modules/
book/ book.pages.inc - Form constructor for the book outline form.
File
-
modules/
book/ book.module, line 1029
Code
function _book_parent_depth_limit($book_link) {
return MENU_MAX_DEPTH - 1 - ($book_link['mlid'] && $book_link['has_children'] ? menu_link_children_relative_depth($book_link) : 0);
}Buggy or inaccurate documentation? Please file an issue. Need support? Need help programming? Connect with the Drupal community.