Memcached::incrementByKey

(PECL memcached >= 2.0.0)

Memcached::incrementByKey — Increment numeric item's value, stored on a specific server

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public Memcached::incrementByKey ( string $server_key , string $key [, int $offset = 1 [, int $initial_value = 0 [, int $expiry = 0 ]]] ) : int

Memcached::incrementByKey() increments a numeric item's value by the specified offset. If the item's value is not numeric, an error will result. Memcached::incrementByKey() will set the item to the initial_value parameter if the key doesn't exist.

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server_key

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key

The key of the item to increment.

offset

The amount by which to increment the item's value.

initial_value

The value to set the item to if it doesn't currently exist.

expiry

The expiry time to set on the item.

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Returns new item's value on success ������ʧ��ʱ���� FALSE.

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