Jamm\Memory\Shm\SHMObject::read_data PHP Метод

    protected function read_data($from, $to, array $keys = NULL)
    {
        if (is_array($from) && is_array($to) && !empty($keys)) {
            $i = 0;
            $c = count($from);
            $data = array();
            for (; $i < $c; $i++) {
                if (isset($from[$i]) && isset($to[$i]) && isset($keys[$i])) {
                    $data[$keys[$i]] = shmop_read($this->shm_data_id, $from[$i], $to[$i] - $from[$i]);
                }
            }
        } else {
            $data = shmop_read($this->shm_data_id, $from, $to - $from);
        }
        return $data;
    }