public static function getInstance() { if (!self::$instance) { self::$instance = new Title(); } return self::$instance; }
public static function getInstance($title = null) { if (!self::$instance) { self::$instance = new Title(); } if ($title) { self::$instance->append($title); } return self::$instance; }
public function set($string) { if ($string) { self::$parts = array($string); } }