marc-mabe / php-enum

     * The return value varied by the behaviour of the current flag

     * @return mixed

     */

    public function current()

    {

        switch ($this->flags & 120) {

            case self::CURRENT_AS_ENUM:

                return parent::current();

            case self::CURRENT_AS_DATA:

                return parent::getInfo();

            case self::CURRENT_AS_VALUE:

                return parent::current()->getValue();

            case self::CURRENT_AS_NAME:

                return parent::current()->getName();

            case self::CURRENT_AS_ORDINAL:

                return parent::current()->getOrdinal();

            default:

                throw new RuntimeException('Invalid current flag');

        }

    }

    /**

     * Get the current item-key

     * The return value varied by the behaviour of the key flag

     * @return null|boolean|int|float|string

     */

    public function key()

    {

        switch ($this->flags & 7) {

            case self::KEY_AS_INDEX:

                return parent::key();

            case self::KEY_AS_NAME:

                return parent::current()->getName();

            case self::KEY_AS_ORDINAL:

                return parent::current()->getOrdinal();

            case self::KEY_AS_VALUE:

                return parent::current()->getValue();

            default:

                throw new RuntimeException('Invalid key flag');

        }

    }

}