function getGroup($key)
    {
        if (isset($this->configuration_info[$key])) {
            return $this->configuration_info[$key]['group'];
        }

        return false;
    }
function getGroup($key)
    {
        if (isset($this->configuration_info[$key])) {
            return $this->configuration_info[$key]['group'];
        }

        return false;
    }
function getGroup ( $ key ) { if ( isset ( $ this -> configuration_info [ $ key ] ) ) { return $ this -> configuration_info [ $ key ] [ 'group' ] ; } return false ; }
Get the parameter group for a config key.

@param string  config key
@return string parameter group

@access public
Get the parameter group for a config key .