phpbb\di\container_builder::load_extensions PHP Method

    protected function load_extensions()
    {
        if ($this->config_php_file !== null) {
            // Build an intermediate container to load the ext list from the database
            $container_builder = new container_builder($this->phpbb_root_path, $this->php_ext);
            $ext_container = $container_builder->without_cache()->without_extensions()->with_config($this->config_php_file)->with_environment('production')->without_compiled_container()->get_container();
            $ext_container->register('cache.driver', '\\phpbb\\cache\\driver\\dummy');
            $ext_container->compile();
            $extensions = $ext_container->get('ext.manager')->all_enabled();
            // Load each extension found
            foreach ($extensions as $ext_name => $path) {
                $extension_class = '\\' . str_replace('/', '\\', $ext_name) . '\\di\\extension';
                if (!class_exists($extension_class)) {
                    $extension_class = '\\phpbb\\extension\\di\\extension_base';
                }
                $this->container_extensions[] = new $extension_class($ext_name, $path);
                // Load extension autoloader
                $filename = $path . 'vendor/autoload.php';
                if (file_exists($filename)) {
                    require $filename;
                }
            }
        } else {
            // To load the extensions we need the database credentials.
            // Automatically disable the extensions if we don't have them.
            $this->use_extensions = false;
        }
    }