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层叠菜单的动态生成

程序员文章站 2022-05-08 11:04:45
<html><body bgcolor=ffffff>
<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>