1. sayfa
<?phprequire 'vendor/autoload.php';$file = 'kaynak.csv';$reader = new \PhpOffice\PhpSpreadsheet\Reader\Csv();$reader->setDelimiter(',');$reader->setEnclosure('"');$reader->setSheetIndex(0);$spreadsheet = $reader->load($file);$writer = new \PhpOffice\PhpSpreadsheet\Writer\Xlsx($spreadsheet);$writer->save('sonuc.xlsx');?>