PHP
(quick guide & example)
Open the command line, navigate to your project folder, enter composer require phpoffice/phpspreadsheet.
Composer will automatically download the latest version into the vendor/ folder.
LOAD PHP SPREADSHEET require "vendor/autoload.php"; use PhpOffice\PhpSpreadsheet\ Spreadsheet; use PhpOffice\PhpSpreadsheet\ Writer\Xlsx;
CREATE A NEW SPREADSHEET $spreadsheet = new Spreadsheet();
GET WORKSHEET + WRITE TO CELL $sheet = $spreadsheet->getActiveSheet(); $sheet->setCellValue("A1", "Hello World!");
SAVE FILE $writer = new Xlsx($spreadsheet); $writer->save("demo.xlsx");