Timber\Timber::get_context PHP Method

    public static function get_context()
    {
        if (empty(self::$context_cache)) {
            self::$context_cache['http_host'] = URLHelper::get_scheme() . '://' . URLHelper::get_host();
            self::$context_cache['wp_title'] = Helper::get_wp_title();
            self::$context_cache['wp_head'] = Helper::function_wrapper('wp_head');
            self::$context_cache['wp_footer'] = Helper::function_wrapper('wp_footer');
            self::$context_cache['body_class'] = implode(' ', get_body_class());
            self::$context_cache['site'] = new Site();
            self::$context_cache['request'] = new Request();
            $user = new User();
            self::$context_cache['user'] = $user->ID ? $user : false;
            self::$context_cache['theme'] = self::$context_cache['site']->theme;
            //Not yet! but this will soon be the default...
            //self::$context_cache['posts'] = new PostQuery();
            self::$context_cache['posts'] = Timber::query_posts();
            self::$context_cache = apply_filters('timber_context', self::$context_cache);
            self::$context_cache = apply_filters('timber/context', self::$context_cache);
        }
        return self::$context_cache;
    }

<?php

require_once __DIR__ . '/app/bootstrap.php';
use Timber\Timber;
use Timber\User;
/** @var $timber Timber */
$timber = $container->get('timber');
$context = Timber::get_context();
$context['posts'] = Timber::get_posts();
if (isset($wp_query->query_vars['author'])) {
    $author = new User($wp_query->query_vars['author']);
    $context['author'] = $author;
    $context['title'] = 'Author Archives: ' . $author->name();
}
$timber::render(['author.html.twig', 'archive.html.twig'], $context);