PhpSpreadsheet Reader Example #07
        Simple File Reader Loading a Single Named WorkSheet
        ';
        $reader = IOFactory::createReader($inputFileType);
        echo 'Loading Sheet "', $sheetname, '" only
';
        $reader->setLoadSheetsOnly($sheetname);
        $spreadsheet = $reader->load($inputFileName);
        echo '
';
        echo $spreadsheet->getSheetCount(), ' worksheet', (($spreadsheet->getSheetCount() == 1) ? '' : 's'), ' loaded
';
        $loadedSheetNames = $spreadsheet->getSheetNames();
        foreach ($loadedSheetNames as $sheetIndex => $loadedSheetName) {
            echo $sheetIndex, ' -> ', $loadedSheetName, '
';
        }
        ?>