public function getKeywords()
    {
        if (!isset($this->data[self::KEYWORDS])) {
            return false;
        }

        return $this->data[self::KEYWORDS];
    }
public function getKeywords()
    {
        if (!isset($this->data[self::KEYWORDS])) {
            return false;
        }

        return $this->data[self::KEYWORDS];
    }
public function getKeywords ( ) { if ( ! isset ( $ this -> data [ self :: KEYWORDS ] ) ) { return false ; } return $ this -> data [ self :: KEYWORDS ] ; }
Returns the keywords, if they exists

@return array|boolean
Returns the keywords if they exists