Memcached::replaceByKey

(PECL memcached >= 0.1.0)

Memcached::replaceByKey — Replace the item under an existing key on a specific server

설명

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.

인수

server_key: 값을 저장할 서버를 인식하는 키.
key: 값을 저장할 키.
value: 저장할 값.
expiration: 만료 시간, 기본값은 0. 자세한 정보는 만료 시간을 참고하십시오.

반환값

성공할 경우 TRUE를, 실패할 경우 FALSE를 반환합니다. The Memcached::getResultCode() will return Memcached::RES_NOTSTORED if the key does not exist.

참고

Memcached::replace() - Replace the item under an existing key
Memcached::set() - Store an item
Memcached::add() - Add an item under a new key

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