{ $sql = "DELETE FROM `" . $this->tabel . "` WHERE `id` = '" . $requestObject->id . "'"; mysqli_query($this->link, $sql); $id = -1; if (mysqli_affected_rows($this->link) == 1) { $id = $requestObject->id; } $requestObject->id = $id; echo json_encode($requestObject); } } $controller = new Controller(); if (isset($_GET['action'])) { switch ($_GET['action']) { case "get": $controller->Get(); break; case "update": $controller->Update($requestObject); break; case "save": $controller->Save($requestObject); break; case "delete": $controller->Delete($requestObject); break; default: echo "default"; break; } }