protected static function createScroller(array $config) { if (empty($config['method'])) { return NoScroller::create([]); } switch ($config['method']) { case 'offset': return OffsetScroller::create($config); case 'response.param': return ResponseParamScroller::create($config); case 'response.url': return ResponseUrlScroller::create($config); case 'zendesk.response.url': return ZendeskResponseUrlScroller::create($config); case 'facebook.response.url': return FacebookResponseUrlScroller::create($config); case 'pagenum': return PageScroller::create($config); case 'cursor': return CursorScroller::create($config); case 'multiple': return MultipleScroller::create($config); default: $method = is_string($config['method']) ? $config['method'] : json_encode($config['method']); throw new UserException("Unknown pagination method '{$method}'"); break; } }