function _menu_find_parents in Drupal 4

Same name and namespace in other branches

1. 5 includes/menu.inc \_menu_find_parents()

Establish parent-child relationships.

2 calls to _menu_find_parents()

_menu_append_contextual_items in includes/menu.inc

Account for menu items that are only defined at certain paths, so will not be cached.

_menu_build in includes/menu.inc

Build the menu by querying both modules and the database.

File

includes/menu.inc, line 1263

API for the Drupal menu system.

Code

function _menu_find_parents(&$items) {
  global $_menu;
  foreach ($items as $mid => $item) {
    if (!isset($item['pid'])) {

      // Parent's location has not been customized, so figure it out using the path.
      $parent = $item['path'];
      if ($parent) {
        do {
          $parent = substr($parent, 0, strrpos($parent, '/'));
        } while ($parent && !isset($_menu['path index'][$parent]));
      }
      $pid = $parent ? $_menu['path index'][$parent] : 1;
      $_menu['items'][$mid]['pid'] = $pid;
    }
    else {
      $pid = $item['pid'];
    }

    // Don't make root a child of itself.
    if ($mid) {
      if (isset($_menu['items'][$pid])) {
        $_menu['items'][$pid]['children'][] = $mid;
      }
      else {

        // If parent is missing, it is a menu item that used to be defined
        // but is no longer. Default to a root-level "Navigation" menu item.
        $_menu['items'][1]['children'][] = $mid;
      }
    }
  }
}