/**
* Appends data to an existing item on the Redis server.
*
* @param string $key
* @param string $value
* @param int $expiration
* @return bool
*/
protected function appendValue($key, $value, $expiration = 0)
{
if ($this->redis->exists($key)) {
$this->redis->append($key, $value);
return $this->redis->expire($key, $expiration);
}
return $this->redis->setex($key, $expiration, $value);
}
