An example of an MVC controller

Question

I have been reading a lot about how and why to use an MVC approach in an application. I have seen and understand examples of a Model, I have seen and understand examples of

Answer 1

Please check this:

    insert("employee", $_POST)){
            $data = array(
                'success' => true,
                'message' => 'Saving Successful!',
            );
        }

        echo json_encode($data);
    }

    if ($event == 'update') {
        if($conn->update("employee", $_POST, "id=" . $_POST['id'])){
            $data = array(
                'success' => true,
                'message' => 'Update Successful!',
            );
        }

        echo json_encode($data);
    }

    if ($event == 'delete') {
        if($conn->delete("employee", "id=" . $_POST['id'])){
            $data = array(
                'success' => true,
                'message' => 'Delete Successful!',
            );
        }

        echo json_encode($data);
    }

    if ($event == 'edit') {
        $data = $conn->get("select * from employee where id={$_POST['id']};")[0];
        echo json_encode($data);
    }
?>