Memcached::prependByKey

(PECL memcached >= 0.1.0)

Memcached::prependByKeyPrepend data to an existing item on a specific server

Опис

public bool Memcached::prependByKey ( string $server_key , string $key , string $value )

Memcached::prependByKey() is functionally equivalent to Memcached::prepend(), except that the free-form server_key can be used to map the key to a specific server.

Параметри

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 of the item to prepend the data to.

value

The string to prepend.

Значення, що повертаються

Повертає TRUE в успішному випадку або FALSE в разі помилки. The Memcached::getResultCode() will return Memcached::RES_NOTSTORED if the key does not exist.

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