Memcached::getByKey
(PECL memcached >= 0.1.0)
Memcached::getByKey — Retrieve an item from a specific server
Beskrivelse
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.
Parametre
-
server_key -
The key identifying the server to store the value on.
-
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.
Returnerings Værdier
Returns the value stored in the cache or FALSE otherwise.
The Memcached::getResultCode() will return
Memcached::RES_NOTFOUND if the key does not exist.
Se også
- Memcached::get() - Retrieve an item
- Memcached::getMulti() - Retrieve multiple items
- Memcached::getDelayed() - Request multiple items
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