Joomla! 5.x Coding • Connect an external PHP file with Joomla 5

Code:

<?phpdefine('_JEXEC', 1);define('JPATH_BASE', __DIR__);require_once JPATH_BASE . '/includes/defines.php';require_once JPATH_BASE . '/includes/framework.php';require_once JPATH_BASE . '/plugins/authentication/joomla/src/Extension/Joomla.php';require_once JPATH_BASE . '/plugins/authentication/cookie/src/Extension/Cookie.php';$container = \Joomla\CMS\Factory::getContainer();$container->alias('session.web', 'session.web.site')    ->alias('session', 'session.web.site')    ->alias('JSession', 'session.web.site')    ->alias(\Joomla\CMS\Session\Session::class, 'session.web.site')    ->alias(\Joomla\Session\Session::class, 'session.web.site')    ->alias(\Joomla\Session\SessionInterface::class, 'session.web.site');$app = $container->get(\Joomla\CMS\Application\SiteApplication::class);\Joomla\CMS\Factory::$application = $app;?>