PHP error

<form action = "wordpress-scanner.php" method = "GET">
    Enter The password <br>
<input type = "password" name ="password" >
<input type = "submit"  class ="button" name ="submit" ></form>

</center>
</form>
<?
$pass = $_GET['password'];
if ($_GET['submit']){
if ($pass = "welcome"){

    echo "welcome to the new web";


    }

    else {
        echo "False";

        }

    }
?>