ORM::find_one PHP Method

    public function find_one($id = null)
    {
        if (!is_null($id)) {
            $this->where_id_is($id);
        }
        $this->limit(1);
        $rows = $this->_run();
        if (empty($rows)) {
            return false;
        }
        return $this->_create_instance_from_row($rows[0]);
    }

 /**
  * Wrap Idiorm's find_one method to return
  * an instance of the class associated with
  * this wrapper instead of the raw ORM class.
  *
  * @param  null|integer $id
  * @return Model
  */
 public function find_one($id = null)
 {
     return $this->_create_model_instance(parent::find_one($id));
 }