Simple Joomla 4 CLI script

listusers.php

<?php

// listusers.php - simple cli script to dump users on CLI
// Written by René Kreijveld
// Version history:
// 1.0, 2023-03-09: Initial version

use Joomla\CMS\Factory;

const _JEXEC = 1;
define('JDEBUG', false);

// Load system defines
if (file_exists(dirname(__DIR__) . '/defines.php'))
{
    require_once dirname(__DIR__) . '/defines.php';
}

if (!defined('_JDEFINES'))
{
    define('JPATH_BASE', dirname(__DIR__));
    require_once JPATH_BASE . '/includes/defines.php';
}

// Get the framework
require_once JPATH_BASE . '/includes/framework.php';

// Function to output a message
function out($message)
{
    echo $message . "\n";
}

// Setup database
$db = Factory::getContainer()->get('DatabaseDriver');

// Get data from users table
$query = $db->getQuery(true)
    ->select('*')
    ->from($db->quoteName('#__users'));
$db->setQuery($query);
$users = $db->loadObjectList();

foreach ($users as $user)
{
    out("id: $user->id, username: $user->username, name: $user->name, email: $user->email");
}