/**
* @param $key
* @param $member
* @return int
*/
public function getPosition($key, $member)
{
return $this->client->zRank($key, $member);
}
/**
* @param $key
* @param $member
* @return int
*/
public function getPosition($key, $member)
{
return $this->client->zRank($key, $member);
}