网站-php上传文件出现错误，求大家解释一下，怎

一共四个文件：
1、

 
">

       

2、

3、

 0){    $uploadtype = false;    switch($_FILES['uploadfile']['error']){    }}$suffix = strtolower(substr($_FILES['uploadfile']['name'],-4));    if(!valid_suffix($suffix)){    $uploadtype = false;}    if($uploadtype === false){}else{$userip = ip2long($_SERVER['REMOTE_ADDR']);$time = time();$newpath = UPLOAD_DIR . $time .'x'. $userip . $suffix;if(is_uploaded_file($_FILES['uploadfile']['tmp_name'])){if(!move_uploaded_file($_FILES['uploadfile']['tmp_name'],$newpath)){$uploadtype = false;}else{$uploadtype = true;}}else{$uploadtype = false;}}if($uploadtype === false){}else{setcookie('uploaded',$time.'x'.$userip.$suffix.'|'.$_COOKIE['uploaded'],time()+3600*24*365);}?>
">

上传失败！

文件不存在，过大或不允许该扩展名。

">重新上传

返回首页 Powered by Straysky
上传成功！

文件代码：
标准：
HTML：

图片代码：
论坛：
HTML：

">继续上传

返回首页 Powered by Straysky

4、