owncloud / core

	 * @return bool True if the file needs to be updated, false otherwise

	 */

	protected function set($key, $value) {

		if (!isset($this->cache[$key]) || $this->cache[$key] !== $value) {

			// Add change

			$this->cache[$key] = $value;

			return true;

		}

		return false;

	}

				'configkey',

			]);

			if ($inserted) {

				if (!isset($this->cache[$app])) {

					$this->cache[$app] = [];

				}

				$this->cache[$app][$key] = $value;

				return true;

			}

		}

		$sql = $this->conn->getQueryBuilder();