/var/www/vhosts/nabawater/vendor/phpoffice/phpspreadsheet/samples/Basic
Edit: /var/www/vhosts/nabawater/vendor/phpoffice/phpspreadsheet/samples/Basic/44_Worksheet_info.php (734B)
getTemporaryFilename();
$writer = new Xlsx($sampleSpreadsheet);
$writer->save($filename);
$inputFileType = IOFactory::identify($filename);
$reader = IOFactory::createReader($inputFileType);
$sheetList = $reader->listWorksheetNames($filename);
$sheetInfo = $reader->listWorksheetInfo($filename);
$helper->log('File Type:');
var_dump($inputFileType);
$helper->log('Worksheet Names:');
var_dump($sheetList);
$helper->log('Worksheet Names:');
var_dump($sheetInfo);