Memcached::replaceByKey
Replace the item under an existing key on a specific server
Description
public bool Memcached::replaceByKey(
string $server_key
,
string $key
,
mixed $value
,
int $expiration
= 0
)
Parameters
-
server_key
-
The key identifying the server to store the value on or retrieve it from. Instead of hashing on the actual key for the item, we hash on the server key when deciding which memcached server to talk to. This allows related items to be grouped together on a single server for efficiency with multi operations.
-
key
-
The key under which to store the value.
-
value
-
The value to store.
-
expiration
-
The expiration time, defaults to 0. See Expiration Times for more info.
Return Values
Returns true
on success or false
on failure.
The Memcached::getResultCode will return
Memcached::RES_NOTSTORED
if the key does not exist.
See Also
- Memcached::replace
- Memcached::set
- Memcached::add