Piwik\API\ApiRenderer::renderDataTable PHP Method

    public function renderDataTable($dataTable)
    {
        $renderer = $this->buildDataTableRenderer($dataTable);
        return $renderer->render();
    }

 public function renderDataTable($dataTable)
 {
     $result = parent::renderDataTable($dataTable);
     return $this->applyJsonpIfNeeded($result);
 }