Are there any specific PHP packages or libraries recommended for working with Excel files?

When working with Excel files in PHP, it is recommended to use the PhpSpreadsheet library. This library provides a set of classes for working with Excel files in various formats, such as .xlsx and .xls. PhpSpreadsheet offers a wide range of functionalities for reading, writing, and manipulating Excel files, making it a popular choice for handling Excel files in PHP projects.

// Include the PhpSpreadsheet library
require 'vendor/autoload.php';

// Create a new PhpSpreadsheet object
$spreadsheet = new PhpOffice\PhpSpreadsheet\Spreadsheet();

// Set active sheet
$spreadsheet->setActiveSheetIndex(0);

// Set cell value
$spreadsheet->getActiveSheet()->setCellValue('A1', 'Hello World!');

// Save Excel file
$writer = new PhpOffice\PhpSpreadsheet\Writer\Xlsx($spreadsheet);
$writer->save('hello_world.xlsx');