sadd 向集合添加一个或多个成员

将值添加到存储在键处的设定值。

Parameters:
string $key Required key
mixed|string …$value1 Variadic list of values
Returns:
添加到集合中的元素的数量。如果该值已经在集合中，则返回FALSE
Declared in: Redis
Links: https://redis.io/commands/sadd
Source:
S:/Software/JetBrains/PHPStorm/App/PhpStorm-2020.2.1.win/plugins/php/lib/php.jar!/stubs/redis/Redis.php
sAdd on redis.io

<?php
//连接本地的 Redis 服务
$redis = new Redis();
$redis->connect('10.1.3.15', 6379);
$redis->auth('kuaicdn_redis_passwd');
$redis->flushAll();
$ret['exec'][]=$redis->sAdd('gather_test','1111','22222','33333');
$ret['src'][]=$redis->sMembers('gather_test');
print_r($ret);
?>

Array
(
    [exec] => Array
        (
            [0] => 3
        )
    [src] => Array
        (
            [0] => Array
                (
                    [0] => 1111
                    [1] => 22222
                    [2] => 33333
                )
        )
)