protected function setKeySerialization($is_serialized, $key, $ttl)
{
if (!$is_serialized) {
$this->redis->Del($this->serialize_key_prefix . $key);
} else {
if ($ttl > 0) {
$this->redis->SetEX($this->serialize_key_prefix . $key, $ttl, 1);
} else {
$this->redis->Set($this->serialize_key_prefix . $key, 1);
}
}
}