While lus niet herhalen.

<?
$dbhost = "*";
$dbuser = "*";
$dbpass = "*";
$dbdbdb = "*";

if (!@mysql_select_db($dbdbdb, @mysql_connect($dbhost, $dbuser, $dbpass)))
{
echo("Geen verbinding met de database!");
exit();
}

$i=0;
$month=$_GET['month'];
$year=$_GET['year'];

if ((!$year) || ($year < 1970) || ($year > 2036) || (!is_numeric($year)))
{
$year = date("Y");
}

if ((!$month) || ($month < 1) || ($month > 12) || (!is_numeric($month)))
{
$month = date("m");
}

set_time_limit(1);
$this_day = mktime(0,0,0,date("m"),date("d"),date("Y"));
$month_end = date("t",mktime(0,0,0,$month+1,0,$year));
$month_start_day = date("w",mktime(0,0,0,$month,1,$year));

if ($month_start_day == 0)
{
$month_start_day = 7;
}

$tedoen =0;
$months = Array("01","02","03","04","05","06","07","08","09","10","11","12");
$days = Array("M","T","W","T","F","S","S");

echo ("<table border=0 cellspacing=0 cellpadding=0 width=140>\n");

for ($i=0;$i<7;$i++)
{
echo ("<td align=center><b>".$days[$i]."</b></td>\n");
}

echo ("</tr>
<tr>\n");

$days_open=0;

for ($i=1;$i<$month_start_day;$i++) {
echo ("<td>&nbsp;</td>\n");
$days_open++; }

$row = 1;

for ($i=1;$i<=$month_end;$i++)
{
$day = date("w",mktime(0,0,0,$month,$i,$year));
$datenow = mktime(0,0,0,$month,$i,$year);
$mond = date("m",mktime(0,0,0,$month,1,$year));
$result = mysql_query("SELECT * FROM kalender");

if ($i <10)
{
$pre_day = "0";
}

else
{
$pre_day = "";
}

if ($datenow == $this_day)
{
while (list($id, $date, $comment) = mysql_fetch_row($result))
{
if ("".$i."-".$month."-".$year."" == $date)
{
echo("<td align=center><b><a href=''>".$pre_day.$i."</a></b></td>\n");
}
else
{
echo ("<td align=center><b>".$pre_day.$i."</b></td>\n");
}
}
}

else
{
while (list($id, $date, $comment) = mysql_fetch_row($result))
{
if ("".$i."-".$month."-".$year."" == "$date")
{
echo("<td align=center><a href=>".$pre_day.$i."</a></td>\n");}
else
{
echo ("<td align=center>".$pre_day.$i."</td>\n");
}
}
}

if (($day == 0) && ($i != $month_end))
{
echo ("</tr>
<tr>\n"); $row++;
}
}

$days_over= (($row*7)-$month_end)-$days_open;

for ($i=1;$i<=$days_over;$i++)
{
echo ("<td>&nbsp;</td>\n");
}

echo ("</tr>\n");

if ($month==1)
{
$prev_month = 12;
$prev_year = $year-1;
}

else
{
$prev_month = $month-1;
$prev_year = $year;
}

if ($month==12)
{
$next_month= 1;
$next_year= $year+1;
}

else
{
$next_month= $month+1;
$next_year= $year;
}

echo ("</table>
<a href=$PHP_SELF?month=$prev_month&year=$prev_year>Vorige</a> [ ".$months[$month-1]." - $year ] <a href=$PHP_SELF?month=$next_month&year=$next_year>Volgende</a>");
?>

Dit is een script voor een kalender en het werkt ook. Maar hij laat nu alle datums dubbel zien door de whiule lus. Weet iemand hoe ik dit moet oplossen?