book_location
Definition
book_location($node, $nodes = array())
book/book.module, line 334
Description
Given a node, this function returns an array of 'book node' objects representing the path in the book tree from the root to the parent of the given node.
Parameters
$node A book node object for which to compute the path.
Return value
An array of book node objects representing the path nodes root to parent of the given node. Returns an empty array if the node does not exist or is not part of a book hierarchy.
Code
<?php
function book_location($node, $nodes = array()) {
$parent = db_fetch_object(db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.vid = b.vid WHERE n.nid = %d'), $node->parent));
if (isset($parent->title)) {
$nodes = book_location($parent, $nodes);
$nodes[] = $parent;
}
return $nodes;
}
?>