public static function getInstance() { if (!isset(self::$instance)) { $class = __CLASS__; self::$instance = new $class(); } return self::$instance; }
public function getUrlLog($browserId, $osId, $resolutionId) { if ($browserId || $osId || $resolutionId) { $url = HeatmapFilterDAOFactory::getInstance()->createDAO('nLogger_heatmap'); } else { $url = HeatmapUrlApiDAOFactory::getInstance()->createDAO('nLogger_heatmap'); } return new HeatmapUrlLogManager($url); }