constant MENU_MAX_DEPTH

The maximum depth of a menu links tree - matches the number of p columns.

Menu system Define the navigation menus, and route page requests to code based on URLs. Menu tree parameters Parameters for a menu tree.

21 uses of MENU_MAX_DEPTH

admin_bar_admin_bar_output_build in core/modules/admin_bar/admin_bar.module: Implements hook_admin_bar_output_build().
admin_bar_tree_dynamic in core/modules/admin_bar/admin_bar.inc: Load menu link trees for router paths containing dynamic arguments.
book_menu_subtree_data in core/modules/book/book.module: Gets the data representing a subtree of the book hierarchy.
book_node_view_link in core/modules/book/book.module: Adds relevant book links to the node's links.
book_update_bid in core/modules/book/book.module: Updates the book ID of a page and its children when it moves to a new book.

define('MENU_MAX_DEPTH', 9)