public function has_navbar() {
        if ($this->_navbar === null) {
            $this->_navbar = new navbar($this);
        }
        return $this->_navbar->has_items();
    }
public function has_navbar() {
        if ($this->_navbar === null) {
            $this->_navbar = new navbar($this);
        }
        return $this->_navbar->has_items();
    }
public function has_navbar ( ) { if ( $ this -> _navbar === null ) { $ this -> _navbar = new navbar ( $ this ) ; } return $ this -> _navbar -> has_items ( ) ; }
Checks to see if there are any items on the navbar object

@return bool true if there are, false if not
Checks to see if there are any items on the navbar object