GoLang Memcached::replaceByKey

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PHP Memcached::replaceByKey

PHP original manual for Memcached::replaceByKey [ show | php.net ]

Memcached::replaceByKey

(PECL memcached >= 0.1.0)

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 ] )

Memcached::replaceByKey() is functionally equivalent to Memcached::replace(), except that the free-form server_key can be used to map the key to a specific server. This is useful if you need to keep a bunch of related keys on a certain server.

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