MongoLite\Cursor::getData PHP Метод

    protected function getData()
    {
        $sql = array('SELECT document FROM ' . $this->collection->name);
        if ($this->criteria) {
            $sql[] = 'WHERE document_criteria("' . $this->criteria . '", document)';
        }
        if ($this->sort) {
            $orders = array();
            foreach ($this->sort as $field => $direction) {
                $orders[] = 'document_key("' . $field . '", document) ' . ($direction == -1 ? "DESC" : "ASC");
            }
            $sql[] = 'ORDER BY ' . implode(',', $orders);
        }
        if ($this->limit) {
            $sql[] = 'LIMIT ' . $this->limit;
            if ($this->skip) {
                $sql[] = 'OFFSET ' . $this->skip;
            }
        }
        $sql = implode(' ', $sql);
        $stmt = $this->collection->database->connection->query($sql);
        $result = $stmt->fetchAll(\PDO::FETCH_ASSOC);
        $documents = array();
        if (!$this->projection) {
            foreach ($result as &$doc) {
                $documents[] = json_decode($doc["document"], true);
            }
        } else {
            $exclude = [];
            $include = [];
            foreach ($this->projection as $key => $value) {
                if ($value) {
                    $include[$key] = 1;
                } else {
                    $exclude[$key] = 1;
                }
            }
            foreach ($result as &$doc) {
                $item = json_decode($doc["document"], true);
                $id = $item["_id"];
                if ($exclude) {
                    $item = array_diff_key($item, $exclude);
                }
                if ($include) {
                    $item = array_key_intersect($item, $include);
                }
                if (!isset($exclude["_id"])) {
                    $item["_id"] = $id;
                }
                $documents[] = $item;
            }
        }
        return $documents;
    }