/**
  * getById function. Get Ingredient Object by id in array. In fact it is only a more modern and convenient way to access data. For the sake of coherence !
  *
  * @access public
  * @static
  * @param int id - $id
  * @return Ingredient Object
  */
 public static function getById($id)
 {
     if (Ingredient::getDataAt($id)) {
         return new Ingredient($id);
     }
     return null;
 }