protected function _loadResourceTagSetList(\SimpleXMLElement $sxml) { $list = new ResourceTagSetList(); $list->setEc2($this->ec2); if (!empty($sxml->item)) { foreach ($sxml->item as $v) { $item = new ResourceTagSetData(); $item->setEc2($this->ec2); $item->key = $this->exist($v->key) ? (string) $v->key : null; $item->value = $this->exist($v->value) ? (string) $v->value : null; $list->append($item); unset($item); } } return $list; }