Respect\Rest\Request::forwardErrors PHP Метод

forwardErrors() защищенный Метод

Restores the previous error handler if present then check error routes for logged errors, forwarding them or returning null silently
protected forwardErrors ( mixed $errorHandler ) : mixed
$errorHandler mixed Some error handler (internal or external to Respect)
Результат mixed A route forwarding or a silent null
    protected function forwardErrors($errorHandler)
    {
        if (isset($errorHandler)) {
            if (!$errorHandler) {
                restore_error_handler();
            } else {
                set_error_handler($errorHandler);
            }
        }
        foreach ($this->route->sideRoutes as $sideRoute) {
            if ($sideRoute instanceof Routes\Error && $sideRoute->errors) {
                return $this->forward($sideRoute);
            }
        }
    }