public function rules()
{
return array(
array('project_id, type_id, status_id, owner_id, requester_id,', 'numerical', 'integerOnly'=>true), arra
public function rules()
{
return array(
array('project_id, type_id, status_id, owner_id, requester_id,', 'numerical', 'integerOnly'=>true), arra