1<html><body bgcolor="FFFFFF">
2<form action="```
3 echo $PATH_INFO
4```" method="POST">
if (isset($hierarchy)){
//$hierarchy[] = $selection;
if (isset($hierarchy)){
while(list($level, $sel) = each($hierarchy)){
echo "<input name="hierarchy[$level]" type="HIDDEN" value="$sel"/>";
echo $level, ': ', $sel, "<br/>n";
$nextlevel = (int) $level + 1;
}
}
}
else{
$nextlevel = 0;
}
echo "<select "]="" $nextlevel,="" name='hierarchy[",'>n";
for ($I = 1; $I <= 10; $I++){
echo "<option value="$I">$I</option>n";
}
echo "</select>n";
1<input type="SUBMIT"/>
2</form>
3</body></html>