Code review request about pb4php HOT 1 OPEN

The followings contain some bug fixed for above two methods: get_value() and 
set_value()

    public function get_value()
    {
        unset($value);

        foreach ($this->names as $index => $_name)
        {
            if (is_array($this->values[$index]))
            {
                $value->$_name = array();
                foreach ($this->values[$index] as $_value)
                {
                    array_push($value->$_name, $_value->get_value());
                }
            }
            else
            {
                if (isset($this->values[$index]) AND ! empty($this->values[$index]))
                {
                    $value->$_name = $this->values[$index]->get_value();
                }
            }
        }

        return $value;
    }


    public function set_value($value)
    {
        foreach ($this->names as $index => $_name)
        {
            if ( ! isset($value->$_name))
                continue;

            if (is_array($value->$_name) AND is_array($this->values[$index]))
            {
                $this->values[$index] = array();
                foreach ($value->$_name as $_value)
                {
                    $class_object = new $this->fields[$index]();
                    $class_object->set_value($_value);
                    $this->values[$index][] = $class_object;
                }
            }
            else
            {
                if ( ! isset($this->values[$index]) OR empty($this->values[$index]))
                {
                    $this->values[$index] = new $this->fields[$index]();
                }
                $this->values[$index]->set_value($value->$_name);
            }
        }
    }