PhpSpreadsheet Reader Example #17
        Simple File Reader Loading Several Named WorkSheets
        ';
        $reader = IOFactory::createReader($inputFileType);
        /*  Read the list of Worksheet Names from the Workbook file  * */
        echo 'Read the list of Worksheets in the WorkBook
';
        $worksheetNames = $reader->listWorksheetNames($inputFileName);
        echo 'There are ', count($worksheetNames), ' worksheet', ((count($worksheetNames) == 1) ? '' : 's'), ' in the workbook
';
        foreach ($worksheetNames as $worksheetName) {
            echo $worksheetName, '
';
        }
        ?>