yii\redis\Cache::setValue PHP Метод

    protected function setValue($key, $value, $expire)
    {
        if ($expire == 0) {
            return (bool) $this->redis->executeCommand('SET', [$key, $value]);
        } else {
            $expire = (int) ($expire * 1000);
            return (bool) $this->redis->executeCommand('SET', [$key, $value, 'PX', $expire]);
        }
    }