switch ($params['type']) {
                        
                        case 'checkbox':
                        
                        if(!empty($params['checked'])) {
                            foreach($params['checked'] as $filed_checked){
                                $this->fields_value[$params['name'].'_'.$filed_checked]=true; 
                                }
                            }
                         break;

                        case 'select':
						[.............]