<form action="<?php echo $path_info?>" method=post>
<?php
if (isset($hierarchy)){
//$hierarchy[] = $selection;
if (isset($hierarchy)){
while(list($level, $sel) = each($hierarchy)){
echo "<input type=hidden name=hierarchy[$level] value=$sel>";
echo $level, ': ', $sel, "<br>n";
$nextlevel = (int) $level + 1;
}
}
}
else{
$nextlevel = 0;
}
echo "<select name=hierarchy[", $nextlevel, "]>n";
for ($i = 1; $i <= 10; $i++){
echo "<option value=$i>$i</option>n";
}
echo "</select>n";
?>
<input type=submit>
</form>
</body></html>
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