markuspoerschke / iCal

     *

     * @return $this

     */

    public function setByMonth($month)

    {

        if (!is_integer($month) || $month < 0 || $month > 12) {

            throw new InvalidArgumentException('Invalid value for BYMONTH');

        }

        $this->byMonth = $month;

        $this->canUseBySetPos = true;

        return $this;

    }

    /**

     * The BYWEEKNO rule part specifies a COMMA-separated list of ordinals specifying weeks of the year.

     *

     * @throws \InvalidArgumentException

     */

    public function setByHour($value)

    {

        if (!is_integer($value) || $value < 0 || $value > 23) {

            throw new \InvalidArgumentException('Invalid value for BYHOUR');

        }

        $this->byHour = $value;

        $this->canUseBySetPos = true;

        return $this;

    }

    /**

     * The BYMINUTE rule part specifies a COMMA-separated list of minutes within an hour.

     *

     * @throws \InvalidArgumentException

     */

    public function setByMinute($value)

    {

        if (!is_integer($value) || $value < 0 || $value > 59) {

            throw new \InvalidArgumentException('Invalid value for BYMINUTE');

        }

        $this->byMinute = $value;

        $this->canUseBySetPos = true;

        return $this;

    }

    /**

     * The BYSECOND rule part specifies a COMMA-separated list of seconds within a minute.

     *

     * @throws \InvalidArgumentException

     */

    public function setBySecond($value)

    {

        if (!is_integer($value) || $value < 0 || $value > 60) {

            throw new \InvalidArgumentException('Invalid value for BYSECOND');

        }

        $this->bySecond = $value;

        $this->canUseBySetPos = true;

        return $this;

    }

}