/** * Returns the site identifier. * * @return string */ public static function get_site_identifier() { if (is_null(self::$siteidentifier)) { $factory = cache_factory::instance(); $config = $factory->create_config_instance(); self::$siteidentifier = $config->get_site_identifier(); } return self::$siteidentifier; }
/** * Returns the site identifier. * * @return string */ public static function get_site_identifier() { global $CFG; if (!is_null(self::$siteidentifier)) { return self::$siteidentifier; } // If site identifier hasn't been collected yet attempt to get it from the cache config. $factory = cache_factory::instance(); // If the factory is initialising then we don't want to try to get it from the config or we risk // causing the cache to enter an infinite initialisation loop. if (!$factory->is_initialising()) { $config = $factory->create_config_instance(); self::$siteidentifier = $config->get_site_identifier(); } if (is_null(self::$siteidentifier)) { // If the site identifier is still null then config isn't aware of it yet. // We'll see if the CFG is loaded, and if not we will just use unknown. // It's very important here that we don't use get_config. We don't want an endless cache loop! if (!empty($CFG->siteidentifier)) { self::$siteidentifier = self::update_site_identifier($CFG->siteidentifier); } else { // It's not being recorded in MUC's config and the config data hasn't been loaded yet. // Likely we are initialising. return 'unknown'; } } return self::$siteidentifier; }