getAttribute('table')}.{$field}]" : ""; break; case "ip": $rule = "permit_empty|trim|valid_ip[both]"; //ipv4 , ipv6 , both(ipv4,ipv6) $rule .= in_array($action, ["create", "create_form"]) ? "|is_unique[{$this->getAttribute('table')}.{$field}]" : ""; break; case "os": $rule = "permit_empty|trim|string"; break; case "format_at": $rule = "permit_empty|valid_date"; break; default: $rule = parent::getFormRule($action, $field); break; } return $rule; } }