book_location_down

5 book.module book_location_down($node, $nodes = array())

Given a node, this function returns an array of 'book node' objects representing the path in the book tree from the given node down to the last sibling of it.

Parameters

$node: A book node object where the path starts.

Return value

An array of book node objects representing the path nodes from the given node. Returns an empty array if the node does not exist or is not part of a book hierarchy or there are no siblings.

▸ 2 functions call book_location_down()

▾ 2 functions call book_location_down()

book_location_down in modules/book/book.module: Given a node, this function returns an array of 'book node' objects representing the path in the book tree from the given node down to the last sibling of it.
book_prev in modules/book/book.module: Fetches the node object of the previous page of the book.

File

modules/book/book.module, line 356: Allows users to collaboratively author a book.

Code

<?php
function book_location_down($node, $nodes = array()) {
  $last_direct_child = 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.status = 1 AND b.parent = %d ORDER BY b.weight DESC, n.title DESC'), $node->nid));
  if ($last_direct_child) {
    $nodes[] = $last_direct_child;
    $nodes = book_location_down($last_direct_child, $nodes);
  }
  return $nodes;
}
?>