foreach duplicated?

Kode 

<?
$hentMenu = mysql_query("SELECT * FROM menu_cats ORDER BY rekke ASC")or die(Mysql_error());
$antal = mysql_num_rows($hentMenu);
while($visMenu = mysql_fetch_assoc($hentMenu)){
?>
<input type="hidden" name="navnid[<?=$visMenu['id'];?>]" value="<?=$visMenu[id];?>">

		<tr>
			<td width="123"><?=$visMenu[overskrift];?></td>
			<td>

<select size="1" name="placering[<?=$visMenu['id'];?>]">
<?
$i = 1;
while($antal >= $i){
if($i == $visMenu[rekke]){
?>
			<option value="<?=$i;?>" SELECTED><?=$i;?></option>
<?
} else {
?>
			<option value="<?=$i;?>"><?=$i;?></option>

<?
}
$i++;
}
?>			</select>

</td>
		</tr>
<?
}
?>

Kode 

foreach($_POST['placering'] as $key2 => $value){

$op .= "Opdater Række: $key2. Value: " . $_POST['placering'][$key2] . "<br>";

}
echo $op;