consulta con 3 variables

[TSG]

Disculpe, sigue igual... se muestra el error 2.. aquí le muestro todo lo necesario:

Código PHP:

$id=((isset($_GET['id']) && !empty($_GET['id']))?$_GET['id']:false);
 
    $secret=((isset($_GET['secret']) && !empty($_GET['secret']))?$_GET['secret']:false);
 
    $secret2=((isset($_GET['secret2']) && !empty($_GET['secret2']))?$_GET['secret2']:false);
 
    $secret3=((isset($_GET['secret3']) && !empty($_GET['secret3']))?$_GET['secret3']:false);
 
    $lacosalink = mysqli_query($conexion, "SELECT * FROM cosa WHERE id = '".$id."' AND secret = '".$secret."' AND secret2 = '".$secret2."' AND secret3 = '".$secret3."'")or die("error 4");
 
    $compru = mysqli_query($conexion, "SELECT * FROM cosa WHERE secret = '".$secret."' AND secret2 = '".$secret2."' AND secret3 = '".$secret3."'")or die("error 5");
 
    $comprus = mysqli_query($conexion, "SELECT * FROM cosa WHERE ID = '".$id."'")or die("<meta http-equiv='Refresh' content='0;url=http://localhost/'>");
if(mysqli_num_rows($comprus) < 1){
            echo "error 1";
        }
        else if(mysqli_num_rows($compru) == 0){
            echo "error 2";
        }