getAttribute('table')}.{$field}]" : ""; break; case "site": case "role": $rule = "required|trim|string"; break; case "email": $rule = "permit_empty|trim|valid_email"; break; case "phone": case "history": $rule = "permit_empty|trim|string"; break; case "account_balance": case "coupon_balance": case "point_balance": $rule = "permit_empty|numeric"; break; default: $rule = parent::getFormRule($action, $field); break; } return $rule; } }