Create Excel Files With Different Cell Background Colors In PHP Using PHPSpreadSheet

{
    "require": {
        "phpoffice/phpspreadsheet": "^1.3"
    }
}

$ composer install

<?php

// Autoload dependencies
require 'vendor/autoload.php';

// Import the core class of PhpSpreadsheet
use PhpOffice\PhpSpreadsheet\Spreadsheet;

// Import the Xlsx writer class
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

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

// Retrieve the current active worksheet
$sheet = $spreadsheet->getActiveSheet();

// Set cell A1 with the "Hello World !" string value
$sheet->setCellValue('A1', 'Hello World !');

// Apply a solid type background to 'A1'
$sheet->getStyle('A1')->getFill()->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID);

// Fill up the background of 'A1' with color blue
$sheet->getStyle('A1')->getFill()->getStartColor()->setARGB(\PhpOffice\PhpSpreadsheet\Style\Color::COLOR_BLUE);

// Set cell A2 with the "Hello World !" string value
$sheet->setCellValue('A2', 'Hello World !');

// Apply a solid type background to 'A2'
$sheet->getStyle('A2')->getFill()->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID);

// Fill up the background of 'A2' with color red
$sheet->getStyle('A2')->getFill()->getStartColor()->setARGB('FFFF0000');

// Write a new .xlsx file
$writer = new Xlsx($spreadsheet);

// Save the new .xlsx file
$writer->save('create-xlsx-files-with-different-cell-background-colors.xlsx');

$ php create-xlsx-files-with-different-cell-background-colors.php