LOGIN.PHP - THEVIRALHUB.NET

<?php
//connect to DATABASE

$db = @mysql_connect('localhost','root','');
mysql_select_db('tutorial',$db);
?>

<?php
if(isset($_POST['register'])){
	echo "BUTTON PRESSED <br />";
	if(!empty($_POST['username']) && !empty($_POST['password'])){
		$un = $_POST['username'];
		$pw = $_POST['password'];
		$get = mysql_query("SELECT username,password FROM users WHERE username='$un' AND password='$pw'");
		if($get){
			header('Location: index.php');

		}else{
			echo "Oops!";
		}
	}
}

?>

<!--
			Login HTmL FORM
									-->

<form action="" method="POST">
<input type="text" name="username" placeholder="Username" />
<input type="password" name="password" placeholder="Password" />
<input type="submit" name="register" value="register" />

</form>