function book_children in Drupal 6

Same name and namespace in other branches

1. 7 modules/book/book.module \book_children()

Format the menu links for the child pages of the current page.

1 call to book_children()

template_preprocess_book_navigation in modules/book/book.module

Process variables for book-navigation.tpl.php.

File

modules/book/book.module, line 589

Allows users to structure the pages of a site in a hierarchy or outline.

Code

function book_children($book_link) {
  $flat = book_get_flat_menu($book_link);
  $children = array();
  if ($book_link['has_children']) {

    // Walk through the array until we find the current page.
    do {
      $link = array_shift($flat);
    } while ($link && $link['mlid'] != $book_link['mlid']);

    // Continue though the array and collect the links whose parent is this page.
    while (($link = array_shift($flat)) && $link['plid'] == $book_link['mlid']) {
      $data['link'] = $link;
      $data['below'] = '';
      $children[] = $data;
    }
  }
  return $children ? menu_tree_output($children) : '';
}