Memcached::replace

(PECL memcached >= 0.1.0)

Memcached::replace — Replace the item under an existing key

Beskrivelse

public bool Memcached::replace ( string $key , mixed $value [, int $expiration ] )

Memcached::replace() is similar to Memcached::set(), but the operation fails if the key does not exist on the server.

Parametre

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.

Returnerings Værdier

Returns TRUE on success or FALSE on failure. The Memcached::getResultCode() will return Memcached::RES_NOTSTORED if the key does not exist.

Se også

Memcached::replaceByKey() - Replace the item under an existing key on a specific server
Memcached::set() - Store an item
Memcached::add() - Add an item under a new key

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