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menu_get_item

6 menu.inc menu_get_item($path = NULL, $router_item = NULL)
7 menu.inc menu_get_item($path = NULL, $router_item = NULL)

Get a router item.

Parameters

$path: The path, for example node/5. The function will find the corresponding node/% item and return that.

$router_item: Internal use only.

Return value

The router item, an associate array corresponding to one row in the menu_router table. The value of key map holds the loaded objects. The value of key access is TRUE if the current user can access this page. The values for key title, page_arguments, access_arguments, and theme_arguments will be filled in based on the database values and the objects loaded.

Related topics

34 calls to menu_get_item()

File

drupal/includes/menu.inc, line 425
API for the Drupal menu system.

Code

function menu_get_item($path = NULL, $router_item = NULL) {
  $router_items = &drupal_static(__FUNCTION__);
  if (!isset($path)) {
    $path = $_GET['q'];
  }
  if (isset($router_item)) {
    $router_items[$path] = $router_item;
  }
  if (!isset($router_items[$path])) {
    // Rebuild if we know it's needed, or if the menu masks are missing which
    // occurs rarely, likely due to a race condition of multiple rebuilds.
    if (variable_get('menu_rebuild_needed', FALSE) || !variable_get('menu_masks', array())) {
      menu_rebuild();
    }
    $original_map = arg(NULL, $path);

    // Since there is no limit to the length of $path, use a hash to keep it
    // short yet unique.
    $cid = 'menu_item:' . hash('sha256', $path);
    if ($cached = cache_get($cid, 'cache_menu')) {
      $router_item = $cached->data;
    }
    else {
      $parts = array_slice($original_map, 0, MENU_MAX_PARTS);
      $ancestors = menu_get_ancestors($parts);
      $router_item = db_query_range('SELECT * FROM {menu_router} WHERE path IN (:ancestors) ORDER BY fit DESC', 0, 1, array(':ancestors' => $ancestors))->fetchAssoc();
      cache_set($cid, $router_item, 'cache_menu');
    }
    if ($router_item) {
      // Allow modules to alter the router item before it is translated and
      // checked for access.
      drupal_alter('menu_get_item', $router_item, $path, $original_map);

      $map = _menu_translate($router_item, $original_map);
      $router_item['original_map'] = $original_map;
      if ($map === FALSE) {
        $router_items[$path] = FALSE;
        return FALSE;
      }
      if ($router_item['access']) {
        $router_item['map'] = $map;
        $router_item['page_arguments'] = array_merge(menu_unserialize($router_item['page_arguments'], $map), array_slice($map, $router_item['number_parts']));
        $router_item['theme_arguments'] = array_merge(menu_unserialize($router_item['theme_arguments'], $map), array_slice($map, $router_item['number_parts']));
      }
    }
    $router_items[$path] = $router_item;
  }
  return $router_items[$path];
}