'./tests/']; $excel = new \Vtiful\Kernel\Excel($config); $fileFd = $excel->fileName('tutorial01.xlsx'); var_dump($fileFd); $setHeader = $fileFd->header(['Item', 'Cost']); var_dump($setHeader); $setData = $setHeader->data([ ['Rent', 1000], ['Gas', 100], ['Food', 300], ['Gym', 50], ]); var_dump($setData); $output = $setData->output(); var_dump($output); ?>