function book_children

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

Parameters

$book_link: A fully loaded menu link that is part of the book hierarchy.

Return value

HTML for the links to the child pages of the current page.

File

modules/book/book.module, line 832

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[] = $data;
        }
    }
    if ($children) {
        $elements = menu_tree_output($children);
        return drupal_render($elements);
    }
    return '';
}