/**
* Remove an ID from an index
* @param string $id
* @param string $index
* @return void
*/
protected function removeIndexId(string $id, string $index)
{
if ($this->redis->scard($index) == 1) {
return $this->redis->del($index);
}
return $this->redis->srem($index, $id);
}
/**
* {@inheritDoc}
*/
public function scard($key)
{
return $this->predis->scard($key);
}