Elgg\Config::save PHP Метод

    public function save($name, $value)
    {
        $name = trim($name);
        if (strlen($name) > 255) {
            _elgg_services()->logger->error("The name length for configuration variables cannot be greater than 255");
            return false;
        }
        $result = _elgg_services()->configTable->set($name, $value);
        $this->set($name, $value);
        return $result;
    }

 /**
  * Saves a processed upgrade to a dataset.
  *
  * @param string $upgrade Filename of the processed upgrade
  *                        (not the path, just the file)
  * @return bool
  */
 protected function setProcessedUpgrade($upgrade)
 {
     $processed_upgrades = $this->getProcessedUpgrades();
     $processed_upgrades[] = $upgrade;
     $processed_upgrades = array_unique($processed_upgrades);
     return $this->config->save('processed_upgrades', $processed_upgrades);
 }