genderwatchprotocol/spreadSheetReader/read_write_xlsx.php

<?php
require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSX.php';
require $_SERVER['DOCUMENT_ROOT'] . '/spreadSheetReader/SimpleXLSXGen.php';
function read_xls_file($filename){
    $fileContent = [];
    if ($xlsx = SimpleXLSX::parse($filename)) {
        $fileContent = ($xlsx->rows());
    } else {
        echo SimpleXLSX::parseError();
    }
    return $fileContent;
}



function write_xlsxFile($filename, $data) {

    foreach ($data as $row) {
        echo "new Row: <br>";
        foreach ($row as $cell) {
            echo $cell." ";
        }
    }


    $xlsx = SimpleXLSXGen::fromArray($data);
    $xlsx->saveAs($filename);
}