Функция гонит или я гоню?

<?php
          $structure = & singleton('Structure');
                $param['parent_id'] = 0;
      $param['show_groups'] = 0;
                                $param['level']=2;
                                $param['show_groups'] = true;
                                $param['show_items'] = false;
                                $param['xml_show_structure_property'] = true;
                                $param['hidden_groups'] = array(11);
                               $structure->ShowStructure(5, 'ЛевоеМеню', $param);
                            ?>

$param = array();