//load spreadsheet
$spreadsheet = \PhpOffice\PhpSpreadsheet\IOFactory::load(public_path("default_.xlsx"));
//change it
$sheet = $spreadsheet->getActiveSheet();
$array = $sheet->getChartNames();
info($array);
$writer = new Xlsx($spreadsheet);
$writer->save($this->file_name_download);
somebody help, this's my code to read the existing file xlsx, and this file has a chart, but this does not exist when I read it with PHP.
I'm trying many ways to read this file, but still no chart.