gistfile1.php

<?php
// updateObject de mon formulaire principal
var_dump($values);
/*
  array
  0 => 
    array
      'id' => string '233'
  2 => 
    array
      'id' => string '234'
*/

var_dump($monObjet->toArray());
/*
  array
  0 => 
    array
      'id' => string '233'
  1 => 
    array
      'id' => string '234'
*/

$this->doUpdateObject($values);

var_dump($monObjet->toArray());
/*
  array
  0 => 
    array
      'id' => string '233'
      'new => false
  1 => 
    array
      'id' => string '234'
      'new' => false
  2 => 
    array
      'id' => string '234'
      'new' => true

*/