Export Joomla 1.5 users to XML

gistfile1.php

<?php
$m = new mysqli('localhost', 'root', '<password>', 'buda_prod');

$result = $m->query('Select * from jos2_users');

while ($row = $result->fetch_assoc()) {
    $results[] = $row;
}


$xml = '<?xml version="1.0" encoding="UTF-8" ?>' . PHP_EOL;
$xml .= '<!DOCTYPE j2xml PUBLIC "-//eshiol.it//DTD J2XML data file 1.5.6//EN" "http://www.eshiol.it/j2xml/1506/j2xml.dtd">' . PHP_EOL;
$xml .= '<j2xml version="1.5.6">' . PHP_EOL;

foreach ($results as $row) {
    $xml .= '<user mapkeystotext="true">' . "\n";

    foreach ($row as $key => $value) {
        $xml .= "<$key><![CDATA[$value]]></$key>\n";
    }
    $xml .= '</user>' . "\n";
}

$xml .= '</j2xml>';

file_put_contents('users.xml', $xml);