Memcached
PHP Manual

Memcached::replace

(PECL memcached >= 0.1.0)

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

Description

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.

Parameters

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.

Return Values

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

See Also

Memcached
PHP Manual