public function getKeyword($languageCode = null)
    {
        if ($languageCode === null) {
            $languageCode = $this->mainLanguageCode;
        }

        if (isset($this->keywords[$languageCode])) {
            return $this->keywords[$languageCode];
        }

        return null;
    }
public function getKeyword($languageCode = null)
    {
        if ($languageCode === null) {
            $languageCode = $this->mainLanguageCode;
        }

        if (isset($this->keywords[$languageCode])) {
            return $this->keywords[$languageCode];
        }

        return null;
    }
public function getKeyword ( $ languageCode = null ) { if ( $ languageCode === null ) { $ languageCode = $ this -> mainLanguageCode ; } if ( isset ( $ this -> keywords [ $ languageCode ] ) ) { return $ this -> keywords [ $ languageCode ] ; } return null ; }
Returns the keyword in the given language.

If no language is given, the keyword in main language of the tag if present, otherwise null

@param string $languageCode

@return string
Returns the keyword in the given language .