简单php递归无限mysql记录

<?php
header('content-type:text/html;charget=gb2312');

$d='';
get_title($d,0,'=');
function get_title($r,$id=0,$dd='='){

$db=mysql_connect("localhost",'root','')or die('错误:'.mysql_error());
mysql_select_db('test',$db);
mysql_query("set names gbk");

$qu=mysql_query("select *from li_class where fid='".$id."' order by fid desc ");
while($row=mysql_fetch_array($qu)){

$dd.='-';
  echo $r=$dd.$row['title'].'<br>';//连接类名
  get_title($r,$row['id'],$dd);
  }
}
?>

巴特西