<?php
class FITP_Calendar {

    public static function viewMonth($year = NULL, $month = NULL) {


        if($year == NULL) {
            $year = Zend_Date::now()->get(Zend_Date::YEAR);
        }

        if($month == NULL) {
            $month = Zend_Date::now()->get(Zend_Date::MONTH);
        }

        $date = new Zend_Date(array(
                'year' => $year,
                'month' => $month,
                'day' => 1
                ));

        $monthDays = $date->get( Zend_Date::MONTH_DAYS );
        $monthName = $date->get( Zend_Date::MONTH_NAME );
        $firstWeekDay = $date->get( Zend_Date::WEEKDAY_DIGIT );

        $html = '<table>';
        $html .= '<tr><td colspan="7″ align="center"><b>' . $monthName . ' ' . $year . '</b></td></tr>
            <tr>
                <td>Sun</td>
                <td>Mon</td>
                <td>Tue</td>
                <td>Wed</td>
                <td>Thu</td>
                <td>Fri</td>
                <td>Sat</td>
            </tr>';

        $html .= '<tr>';

        //Zend_Debug::dump($firstWeekDay, "firstWeekDay");

        for($f = intval($firstWeekDay); $f > 0; $f--) {
            $html .= '<td>&nbsp;</td>';
        }


        for ($i = 1; $i <= $monthDays; $i++)
        {
            $html .= '<td>'.$i.'</td>';

            // Populate remaining <td>
            if ($i == $monthDays)
            {
                $date2 = new Zend_Date(array(
                        'year' => $year,
                        'month' => $month,
                        'day' => $monthDays
                        ));

                $tds = $date2->get( Zend_Date::WEEKDAY_DIGIT );

                while ($tds != 6) {
                    $html .= '<td>&nbsp;</td>';
                    $tds++;
                }

            }

            // last day of week
            if ( (($firstWeekDay + $i) % 7) == 0)
            {
                $html .= "</tr>\n<tr>";
            }
        }

        $html .= '</tr>';
        $html .= '</table>';

        return $html;

    }
}