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Memcached::casByKey(PECL memcached >= 0.1.0) Memcached::casByKey — Compare and swap an item on a specific server Описание
public bool Memcached::casByKey
( float $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. Список параметров
Возвращаемые значенияВозвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки. 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. |
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