public function clearConfig($key)
    {
        if (isset($this->metadata[$key])) {
            unset($this->metadata[$key]);
            return true;
        }
        return false;
    }
public function clearConfig($key)
    {
        if (isset($this->metadata[$key])) {
            unset($this->metadata[$key]);
            return true;
        }
        return false;
    }
public function clearConfig ( $ key ) { if ( isset ( $ this -> metadata [ $ key ] ) ) { unset ( $ this -> metadata [ $ key ] ) ; return true ; } return false ; }
Wipe a particular configuration key from storage
@param string $key
@return boolean `TRUE` if cleared, `FALSE` if not found
Wipe a particular configuration key from storage