I keep getting this error:
" Notice: Undefined variable: pass ... on line 17 select * from users where email='alpha@yahoo.com' && pass ='' "
I just cant figure it out, i clearly set this there : $pass=$_POST['pass'];
    if (isset($_POST['email'])) {
        $email=$_POST['email'];
    }
    if (isset($_POST['pass'])) {
        $pass=$_POST['pass'];
    }
    $s="select * from users where email='$email' && pass ='$pass' ";