Whups_Query::_walk PHP Method

    protected function _walk(&$node, &$more, &$path, &$obj, $method)
    {
        if ($node['type'] == Whups_Query::TYPE_CRITERION) {
            $obj->{$method}($more, $path, Whups_Query::TYPE_CRITERION, $node['criterion'], $node['cvalue'], $node['operator'], $node['value']);
        } else {
            $obj->{$method}($more, $path, $node['type'], null, null, null, null);
        }
        if (isset($node['children'])) {
            $count = count($node['children']);
            for ($i = 0; $i < $count; $i++) {
                $path[] = $i;
                $more[] = $i < $count - 1;
                $this->_walk($node['children'][$i], $more, $path, $obj, $method);
                array_pop($more);
                array_pop($path);
            }
        }
    }