问使用AJAX不能获得数据回报

EN

public function dohvatiZadatak($id){
    $this->id = $id;
    $conn = $this->connect()->prepare("SELECT * FROM zadatci WHERE id=:id");
    $conn->bindParam('id', $this->id);
    $conn->execute();
    $zadatak = $conn->fetch(PDO::FETCH_ASSOC);
    return json_encode(array('zadatak' => $zadatak));
}

function urediZadatak(id){
      $("#uredi-zadatak-modal").modal('show');
      $.ajax({
         type: "GET",
         url: "../zadatci/uredizadatak.php?id="+id,
         data: id,
         async: false,
         success: function(response){
             console.log(response.zadatak);
         }
       });
 }