Phalcon\Db\Adapter\Mongo\Document::extract PHP Method

    private function extract($iterator, $className = null)
    {
        if (is_numeric($iterator->key())) {
            $container = [];
        } else {
            if (empty($className)) {
                $container = $this;
            } else {
                $container = new $className();
            }
        }
        while ($iterator->valid()) {
            $key = $iterator->key();
            $value = $iterator->current();
            if (DbRef::isRef($value)) {
                $value = new DbRef($this->collection, $value);
            } elseif (is_array($value)) {
                $value = $this->extract($iterator->getChildren(), 'stdClass');
            }
            if (is_numeric($key)) {
                $container[$key] = $value;
            } else {
                $container->{$key} = $value;
            }
            $iterator->next();
        }
        return $container;
    }