Memcached::casByKey

(PECL memcached >= 0.1.0)

Memcached::casByKey — Compare and swap an item on a specific server

설명

public bool Memcached::casByKey ( double $cas_token , string $server_key , string $key , mixed $value [, int $expiration ] )

Memcached::casByKey() is functionally equivalent to Memcached::cas, 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

cas_token: Unique value associated with the existing item. Generated by memcache.
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_DATA_EXISTS if the item you are trying to store has been modified since you last fetched it.

참고

Memcached::cas - Compare and swap an item