/** * Retrieves a value from cache with a specified key. * This is the implementation of the method declared in the parent class. * @param string $key a unique key identifying the cached value * @return string|boolean the value stored in cache, false if the value is not in the cache or expired. */ protected function getValue($key) { $data = $this->ssdb->get($key); return $this->is_unserialize ? unserialize($data) : $data; }
/** * Session read handler. * Do not call this method directly. * @param string $id session ID * @return string the session data */ public function readSession($id) { $data = $this->ssdb->get($this->calculateKey($id)); return $data === false ? '' : $data; }