PhpSpreadsheet Reader Example #18
        Reading list of WorkSheets without loading entire file
        ';
        $reader = IOFactory::createReader($inputFileType);
        $worksheetNames = $reader->listWorksheetNames($inputFileName);
        echo 'Worksheet Names
';
        echo '';
        foreach ($worksheetNames as $worksheetName) {
            echo '- ', $worksheetName, '';
        }
        echo '
';
        ?>