genderwatchprotocol/spreadSheetReader/read_write_xlsx.php

<?php
require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSX.php';
require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSXGen.php';


function download_xlsxFile($data) {
    $xlsx = SimpleXLSXGen::fromArray($data);
    $xlsx->downloadAs("data.xlsx");
}