php redis 需要使用单例吗

php redis 需要使用单例吗

class RedisManager
{
private static $redisInstance;


private function __construct(){}


static public function getRedisConn(){
if(!self::$redisInstance instanceof self){
self::$redisInstance = new self;
}

// 获取当前单例
$temp = self::$redisInstance;
// 调用私有化方法
return $temp->connRedis();
}


static private function connRedis()
{
try {
$redis_ocean = new Redis();
$redis_ocean->connect(G::$conf['redis-host'], G::$conf['redis-port']);
$redis_ocean->auth(G::$conf['redis-pass']);

}catch (Exception $e){
echo $e->getMessage().'
';
}

return $redis_ocean;
}

}