Elgg / Elgg

	 * @param int $user_guid The user GUID to remove user settings.

	 * @return bool

	 */

	public function unsetAllUserSettings($user_guid) {

		$db = $this->getDatabase();

		$ps_prefix = _elgg_namespace_plugin_private_setting('user_setting', '', $this->getID());

		$q = "DELETE FROM {$db->prefix}private_settings

			WHERE entity_guid = $user_guid

			AND name LIKE '$ps_prefix%'";

		return $db->deleteData($q);

	}

	/**

	 * Removes this plugin's user settings for all users.

	 *

	 * @return bool

	 */

	public function unsetAllUsersSettings() {

		$db = $this->getDatabase();

		$ps_prefix = _elgg_namespace_plugin_private_setting('user_setting', '', $this->getID());

		$q = "DELETE FROM {$db->prefix}private_settings

			WHERE name LIKE '$ps_prefix%'";

		return $db->deleteData($q);

	}

	// validation