public function setTabIdToCache($tab_id) { $this->connectMysql(); $sql = 'UPDATE state SET tab_id_' . $this->_db . '=' . $tab_id; self::$mysql->query($sql); echo 'insert ' . self::$mysql->affected_rows . ' row', PHP_EOL; $redis = Singleton::redis(1); $redis->set(self::CACHE_KEY . $this->_db, $tab_id); }