* @date 2018/8/10 * @time 14:48 */ namespace Luolongfei\App\Exceptions; class LlfException extends \Exception { public function __construct($code, $additional = null, \Exception $previous = null) { $message = lang('exception_msg.' . $code) ?: ''; if ($additional !== null) { if (is_array($additional)) { array_unshift($additional, $message); $message = call_user_func_array('sprintf', $additional); } else if (is_string($additional)) { $message = sprintf($message, $additional); } } parent::__construct($message . "(Error code: {$code})", $code, $previous); } }