You can generate an Excel file in PHP using libraries like PhpSpreadsheet or SimpleXLSXGen. Below are the steps for both approaches.
1. Using PhpSpreadsheet (Recommended for complex spreadsheets)
PhpSpreadsheet is a powerful library for generating and manipulating Excel files.
Installation
First, install PhpSpreadsheet via Composer:
composer require phpoffice/phpspreadsheet
<?php
require ‘vendor/autoload.php’;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;
$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
// Set cell values
$sheet->setCellValue(‘A1’, ‘ID’);
$sheet->setCellValue(‘B1’, ‘Name’);
$sheet->setCellValue(‘A2’, ‘1’);
$sheet->setCellValue(‘B2’, ‘John Doe’);
$writer = new Xlsx($spreadsheet);
// Output to browser for download
header(‘Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet’);
header(‘Content-Disposition: attachment;filename=”sample.xlsx”‘);
header(‘Cache-Control: max-age=0’);
$writer->save(‘php://output’);
exit;
?>