function bin2ddword($data)
{
	$result = 0;
	for ($i = 7; $i >= 0; $i--)
	{
		$result *= 256;
		$result += ord($data[$i]);
	}
	return $result;
}

function tnef_getDate($size, &$buf)
// timo: translated from ytnef.c
{
    $startingdate = 0;
    $days_in_year = 365;
    $months = array(31,28,31,30,31,30,31,31,30,31,30,31);
    $data = tnef_getx($size, &$buf);
    $ddword_tmp = bin2ddword($data);

    $ddword_tmp = $ddword_tmp /10; // micro-s
    $ddword_tmp /= 1000; // ms
    $ddword_tmp /= 1000; // s
    $ddword_tmp = floor($ddword_tmp);

    $seconds = ($ddword_tmp - floor($ddword_tmp/60)* 60);
    $ddword_tmp /= 60; // seconds to minutes
    $ddword_tmp = floor($ddword_tmp);
    $minutes = ($ddword_tmp - floor($ddword_tmp/60)* 60);
    $ddword_tmp /= 60; //minutes to hours
    $ddword_tmp = floor($ddword_tmp);
    $hours = ($ddword_tmp % 24);
    $ddword_tmp /= 24; // Hours to days
    $ddword_tmp = floor($ddword_tmp);

    // Now calculate the year based on # of days
    $wYear = 1601;
    $startingdate = 1;
    while($ddword_tmp >= $days_in_year) {
        $ddword_tmp-=$days_in_year;
        $wYear++;
        $days_in_year = 365;
        $startingdate++;
        if (($wYear % 4) == 0) {
            if (($wYear % 100) == 0) {
                // if the year is 1700,1800,1900, etc, then it is only
                // a leap year if exactly divisible by 400, not 4.
                if (($wYear % 400) == 0) {
                    $startingdate++;
                    $days_in_year = 366;
                }
            }  else {
                $startingdate++;
                $days_in_year = 366;
            }
        }
        $startingdate %= 7;
    }

    // the remaining number is the day # in this year
    // So now calculate the Month, & Day of month
    if (($wYear % 4) == 0) {
        // 29 days in february in a leap year
        $months[2] = 29;
    }

    $tmp_date = (int)$ddword_tmp;
    $wDayOfWeek = ($tmp_date + $startingdate) % 7;
    $wMonth = 0;

    while ($tmp_date > $months[$wMonth]) {
        $tmp_date -= $months[$wMonth];
        $wMonth++;
    }
    $wMonth++;
    $wDay = $tmp_date+1;
    return mktime($hours, $minutes, $seconds, $wMonth, $wDay, $wYear);  
}