ElggSite::checkWalledGarden PHP Method

    public function checkWalledGarden()
    {
        global $CONFIG;
        // command line calls should not invoke the walled garden check
        if (PHP_SAPI === 'cli') {
            return;
        }
        if ($CONFIG->walled_garden) {
            if ($CONFIG->default_access == ACCESS_PUBLIC) {
                $CONFIG->default_access = ACCESS_LOGGED_IN;
            }
            _elgg_services()->hooks->registerHandler('access:collections:write', 'all', '_elgg_walled_garden_remove_public_access', 9999);
            if (!_elgg_services()->session->isLoggedIn()) {
                // override the front page
                elgg_register_page_handler('', '_elgg_walled_garden_index');
                if (!$this->isPublicPage()) {
                    if (!elgg_is_xhr()) {
                        _elgg_services()->session->set('last_forward_from', current_page_url());
                    }
                    register_error(_elgg_services()->translator->translate('loggedinrequired'));
                    forward('', 'walled_garden');
                }
            }
        }
    }