mambax7 / extcal

     *

     * @return int days in month

     */

    public function getDaysInMonth($y, $m)

    {

        $stamp = self::dateToStamp($y, $m, 1);

        $date  = self::stampCollection($stamp);

        return $date[6];

    }

    /**

     * Returns numeric representation of the day of the week in a month,

     *

     * @return int from 0 to 6

     */

    public function getFirstDayInMonth($y, $m)

    {

        $stamp = self::dateToStamp($y, $m, 1);

        $date  = self::stampCollection($stamp);

        return $date[8];

    }

    /**

     * Returns the number of days in a week.

     *

     * @return int week number

     */

    public function getWeekNInYear($y, $m, $d)

    {

        $stamp = self::dateToStamp($y, $m, $d);

        $date  = self::stampCollection($stamp);

        return $date[7];

    }

    /**

     * Returns the number of the week in the month, given a date.

     *

     * @return int weekday number

     */

    public function getDayOfWeek($y, $m, $d)

    {

        $stamp = self::dateToStamp($y, $m, $d);

        $date  = self::stampCollection($stamp);

        return $date[8];

    }

    /**

     * Returns a list of integer days of the week beginning 0.