PhpSpreadsheet Reader Example #03
        Simple File Reader using the IOFactory to Return a Reader
        ';
        $reader = IOFactory::createReader($inputFileType);
        $spreadsheet = $reader->load($inputFileName);
        echo '
';
        $sheetData = $spreadsheet->getActiveSheet()->toArray(null, true, true, true);
        var_dump($sheetData);
        ?>