Jamm\Memory\IRedisServer::zAdd PHP Method

Add a member to a sorted set, or update its score if it already exists

public zAdd ( string $key, integer \| array $score, string $member = NULL ) : integer
$key	string
$score	integer \| array
$member	string	Can be used as: zadd(key, score, member) zadd(key, score1, member1, score2, member2) zadd(key, array(score1 => member1, score2 => member2))
return	integer

    public function zAdd($key, $score, $member = NULL);

IRedisServer