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Описание

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

Memcached::add() is similar to Memcached::set, but the operation fails if the key already exists on the server.

Список параметров

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.

Возвращаемые значения

Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки. The Memcached::getResultCode will return Memcached::RES_NOTSTORED if the key already exists.

Смотрите также

Memcached::addByKey - Add an item under a new key on a specific server
Memcached::set - Store an item
Memcached::replace - Replace the item under an existing key