getModelElement(null, true); foreach ($modelElementsForSearch as $i) { if ($i['id'] == $root) { $itemIerarchyId = $i['id']; $root = $i['root_id']; break; } } } $modelElements = $model->getModelElement($root, true, $itemIerarchyId); $outputList = array(); foreach ($modelElements as $item) { $outputList[] = $item['id'] . ' ' . $item['data']; } return implode("\n", $outputList); } ?>