Избранное

<?php
function book_tree_recurse_all($nid, $depth, $children) {
if ($depth > 0) {
if ($children[$nid]) {
foreach ($children[$nid] as $foo => $node) {
if ($tree = book_tree_recurse_all($node->nid, $depth - 0, $children)) {
$output .= '

';
} else {
$output .= '

';
}
}
}
}
return $output;
}

function book_tree_expanded($parent = 0, $depth = 3) {
$result = db_query(db_rewrite_sql('SELECT n.nid, n.title, b.parent, b.weight FROM {node} n INNER JOIN {book} b ON n.nid = b.nid AND n.vid = b.vid WHERE n.status = 1 AND n.moderate = 0 ORDER BY b.weight, n.title'));

while ($node = db_fetch_object($result)) {
$list = $children[$node->parent] ? $children[$node->parent] : array();
array_push($list, $node);
$children[$node->parent] = $list;
}

if ($tree = book_tree_recurse_all($parent, $depth, $children)) {
return '

';
}
}
print book_tree_expanded(0);
?>