PHP

phpspreadsheet CellProtection

$spreadsheet->getActiveSheet()->getProtection()->setSheet(true);
$spreadsheet->getActiveSheet()
    ->getStyle('A2:B2')
    ->getProtection()->setLocked(
        Protection::PROTECTION_UNPROTECTED
    );

phpspreadsheet

<?php

require 'vendor/autoload.php';

use PhpOfficePhpSpreadsheetSpreadsheet;
use PhpOfficePhpSpreadsheetWriterXlsx;

$spreadsheet = new Spreadsheet();
$sheet = $spreadsheet->getActiveSheet();
$sheet->setCellValue('A1', 'Hello World !');

$writer = new Xlsx($spreadsheet);
$writer->save('hello world.xlsx');