public function setTitle($title, $subtitle = null)
    {
        $this->title = $title;
        $this->subtitle = $subtitle;
    }
public function setTitle($title, $subtitle = null)
    {
        $this->title = $title;
        $this->subtitle = $subtitle;
    }
public function setTitle ( $ title , $ subtitle = null ) { $ this -> title = $ title ; $ this -> subtitle = $ subtitle ; }
Set the title to display
Set the title to display