php 连接redis 数据库单利类_PHP教程

php 连接redis 数据库单利类

redis = new Redis();
        $this->redis->connect(self::REDISHOSTNAME, self::REDISPORT, self::REDISTIMEOUT);
        $this->redis->auth(self::REDISPASSWORD);
        $this->redis->select(self::REDISDBNAME);
    }
    
    /**
     * 私有化克隆函数，防止类外克隆对象
     */
    private function __clone ()
    {}
    
    /**
     * 类的唯一公开静态方法，获取类单例的唯一入口
     *
     * @return object
     */
    public static function getRedisInstance ()
    {
        if (! (self::$instance instanceof self)) {
            self::$instance = new self();
        }
        return self::$instance;
    }
    
    /**
     * 获取redis的连接实例
     *
     * @return Redis
     */
    public function getRedisConn ()
    {
        return $this->redis;
    }
    
    /**
     * 需要在单例切换的时候做清理工作
     */
    public function __destruct ()
    {
        self::$instance->redis->close();
        self::$instance = NULL;
    }
}

?>

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