function menu_tree_check_access

Checks access and performs dynamic operations for each link in the tree.

Parameters

$tree: The menu tree you wish to operate on.

$node_links: A collection of node link references generated from $tree by menu_tree_collect_node_links().

Related topics

File

includes/menu.inc, line 1498

Code

function menu_tree_check_access(&$tree, $node_links = array()) {
    if ($node_links && (user_access('access content') || user_access('bypass node access'))) {
        $nids = array_keys($node_links);
        $select = db_select('node', 'n');
        $select->addField('n', 'nid');
        // When a menu administrator who we know has permission to see unpublished
        // nodes is administering the menu, included the unpublished nodes in the
        // tree, with a special flag so that the Menu module can label them.
        // Otherwise, exclude these nodes from the tree.
        if (!empty($GLOBALS['menu_admin']) && user_access('bypass node access')) {
            $select->addField('n', 'status');
        }
        else {
            $select->condition('n.status', 1);
        }
        $select->condition('n.nid', $nids, 'IN');
        $select->addTag('node_access');
        $node_objects = $select->execute()
            ->fetchAll();
        foreach ($node_objects as $node_object) {
            foreach ($node_links[$node_object->nid] as $mlid => $link) {
                $node_links[$node_object->nid][$mlid]['access'] = TRUE;
                if (isset($node_object->status)) {
                    $node_links[$node_object->nid][$mlid]['node_unpublished'] = !$node_object->status;
                }
            }
        }
    }
    _menu_tree_check_access($tree);
}