redis 清除

function redis_clear($prefix) {
        $keys = Redis::keys($prefix . '*');
        $_prefix = config('database.redis.options.prefix');
        $keys = array_chunk($keys, 1000);
        foreach($keys as $_keys) {
            Redis::pipeline(function($pipe) use($_keys, $_prefix) {
                foreach($_keys as $key) {
                    $pipe->del(str_replace($_prefix, '', $key));
                }
            });
        }
        return true;
    }