Memcached::decrementByKey
(PECL memcached >= 2.0.0)
Memcached::decrementByKey — Decrement numeric item's value, stored on a specific server
Descrição
$server_key
, string $key
[, int $offset = 1
[, int $initial_value = 0
[, int $expiry = 0
]]] )
Memcached::decrementByKey() decrements a numeric item's
value by the specified offset. If the item's value
is not numeric, an error will result. If the operation
would decrease the value below 0, the new value will be 0.
Memcached::decrementByKey() will set the item to the
initial_value parameter if the key doesn't exist.
Parâmetros
-
server_key -
A chave identificando o servidor aonde guardar o valor.
-
key -
The key of the item to decrement.
-
offset -
The amount by which to decrement 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.
Valor Retornado
Returns item's new value on success ou FALSE em caso de falha.
Veja Também
- Memcached::decrement() - Decrement numeric item's value
- Memcached::increment() - Increment numeric item's value
- Memcached::incrementByKey() - Increment numeric item's value, stored on a specific server