Themosis::autoload PHP Method

        protected function autoload()
        {
            // Check if there is a autoload.php file.
            // Meaning we're in development mode or
            // the plugin has been installed on a "classic" WordPress configuration.
            if (file_exists($autoload = __DIR__ . DS . 'vendor' . DS . 'autoload.php')) {
                require $autoload;
                // Developers using the framework in a "classic" WordPress
                // installation can activate this by defining
                // a THEMOSIS_ERROR constant and set its value to true or false
                // depending of their environment.
                if (defined('THEMOSIS_ERROR') && THEMOSIS_ERROR) {
                    $whoops = new \Whoops\Run();
                    $whoops->pushHandler(new \Whoops\Handler\PrettyPageHandler());
                    $whoops->register();
                }
            }
        }