function menu_parent_options

Return a list of menu items that are valid possible parents for the given menu item.

Parameters

$menus: An array of menu names and titles, such as from menu_get_menus().

$item: The menu item or the node type for which to generate a list of parents. If $item['mlid'] == 0 then the complete tree is returned.

$type: The node type for which to generate a list of parents. If $item itself is a node type then $type is ignored.

Return value

An array of menu link titles keyed on the a string containing the menu name: and mlid. The list excludes the given item and its children.

File

modules/menu/menu.module, line 355

Allows administrators to customize the site's menus.

Code

function menu_parent_options($menus, $item, $type = '') {
  $available_menus = array();
  if (!is_array($item)) {
    // If $item is not an array then it is a node type.
    // Use it as $type and prepare a dummy menu item for _menu_get_options().
    $type = $item;
    $item = array('mlid' => 0);
  }
  if (empty($type)) {
    // If no node type is set, use all menus given to this function.
    $available_menus = $menus;
  }
  else {
    // If a node type is set, use all available menus for this type.
    $node_type = node_type_load($type);
    foreach ($node_type->settings['menu_options'] as $menu) {
      $available_menus[$menu] = $menu;
    }
  }

  return _menu_get_options($menus, $available_menus, $item);
}