Memcached::getByKey
(PECL memcached >= 0.1.0)
Memcached::getByKey — Retrieve an item from a specific server
Descrição
public mixed Memcached::getByKey
( string
$server_key
, string $key
[, callable $cache_cb
[, float &$cas_token
]] )
Memcached::getByKey() is functionally equivalent to
Memcached::get(), except that the free-form
server_key can be used to map the
key to a specific server.
Parâmetros
-
server_key -
A chave identificando o servidor aonde guardar o valor.
-
key -
The key of the item to fetch.
-
cache_cb -
Read-through caching callback or
NULL -
cas_token -
The variable to store the CAS token in.
Valor Retornado
Returns the value stored in the cache or FALSE otherwise.
The Memcached::getResultCode() will return
Memcached::RES_NOTFOUND if the key does not exist.
Veja Também
- Memcached::get() - Retrieve an item
- Memcached::getMulti() - Retrieve multiple items
- Memcached::getDelayed() - Request multiple items