public function unsetOption($key)
    {
        if (Core\Config::isValidOptionName($key) && isset($this->$key)) {
            unset($this->$key);
        }

        return $this;
    }
public function unsetOption($key)
    {
        if (Core\Config::isValidOptionName($key) && isset($this->$key)) {
            unset($this->$key);
        }

        return $this;
    }
public function unsetOption ( $ key ) { if ( Core \ Config :: isValidOptionName ( $ key ) && isset ( $ this -> $ key ) ) { unset ( $ this -> $ key ) ; } return $ this ; }
Deletes an intance option if set.

@param string $key the target option name

@return Xiphe\HTML
Deletes an intance option if set .