Are there any specific PHP libraries or packages recommended for generating Excel files on Linux servers?

To generate Excel files on Linux servers using PHP, one recommended library is PhpSpreadsheet. PhpSpreadsheet is a powerful PHP library that allows for the creation and manipulation of Excel files. It provides a simple and easy-to-use API for generating Excel files with various formatting options.

<?php
require 'vendor/autoload.php';

use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

// Create new Spreadsheet object
$spreadsheet = new Spreadsheet();

// Add data to the spreadsheet
$sheet = $spreadsheet->getActiveSheet();
$sheet->setCellValue('A1', 'Hello');
$sheet->setCellValue('B1', 'World!');

// Save the spreadsheet to a file
$writer = new Xlsx($spreadsheet);
$writer->save('hello_world.xlsx');
?>