private function getUrlSparkline($customParameters = array()) { $customParameters['viewDataTable'] = 'sparkline'; $params = $this->getGraphParamsModified($customParameters); // convert array values to comma separated foreach ($params as &$value) { if (is_array($value)) { $value = rawurlencode(implode(',', $value)); } } $url = Url::getCurrentQueryStringWithParametersModified($params); return $url; }