php class

<?php
setlocale(LC_ALL, array('Dutch_Netherlands', 'Dutch', 'nl_NL', 'nl', 'nl_NL.ISO8859-1', 'nld_NLD'));
error_reporting(E_ALL);
ini_set("display_errors", 1);


class Calendar
{


    public function getInfo($m, $y)
    {
        $days = date('t', mktime(0, 0, 0, $m, 1, $y));
        $firstday = date('N', strtotime('first day of ' . $y . '-' . $m));
        $info['days'] = $days;
        $info['firstday'] = $firstday;
        return $info;
    }

    public function makeMonth($m, $y)
    {

        $maand = array();
        // Get info for this year
        $info = $this->getInfo($m, $y);

        // Get array with dates
        $amount = $info['days'];
        for ($i = 1; $i <= $amount; $i++) {
            $maand[$i] = str_pad($i, 2, '0', STR_PAD_LEFT) . "-" . $m . "-" . $y;
        }

        // place the array content correctly
        $needed = 42;
        $begin = $info['firstday'] - 1;

        #begin van array
        for ($i = 0; $i < $begin; $i++) {
            array_unshift($maand, "Before Month Start");
        }

        #eind van array
        $nognodig = $needed - ($begin + $amount);
        for ($i = 0; $i < $nognodig; $i++) {
            array_push($maand, "After month");
        }

        return $maand;
    }

    public function buildArray()
    {

         //Build multidimensional array
        $calendar['calendar'] = array(
            $info = $this->getInfo(date("m", strtotime("-2 Months")), date("Y", strtotime("-2 Months"))),
            $maand = $this->makeMonth(date("m", strtotime("-2 Months")), date("Y", strtotime("-2 Months"))),
            $info = $this->getInfo(date("m", strtotime("-1 Months")), date("Y", strtotime("-1 Months"))),
            $maand = $this->makeMonth(date("m", strtotime("-1 Months")), date("Y", strtotime("-1 Months"))),
            $info = $this->getInfo(strftime('%m'), strftime('%Y')),
            $maand = $this->makeMonth(strftime('%m'), strftime('%Y')),
            $info = $this->getInfo(date("m", strtotime("+1 Months")), date("Y", strtotime("+1 Months"))),
            $maand = $this->makeMonth(date("m", strtotime("+1 Months")), date("Y", strtotime("+1 Months"))),
            $info = $this->getInfo(date("m", strtotime("+2 Months")), date("Y", strtotime("+2 Months"))),
            $maand = $this->makeMonth(date("m", strtotime("+2 Months")), date("Y", strtotime("+2 Months"))),
            $info = $this->getInfo(date("m", strtotime("+3 Months")), date("Y", strtotime("+3 Months"))),
            $maand = $this->makeMonth(date("m", strtotime("+3 Months")), date("Y", strtotime("+3 Months")))
        );


        echo '<pre>';
        print_r($calendar);
        echo '</pre>';

    }
}

?>