Memcache::add - Add an item to the server
Вернуться к: Memcache
Memcache::add
(PECL memcache >= 0.2.0)
Memcache::add — Add an item to the server
Описание
Memcache::add() stores variable
var with key only if such
key doesn't exist at the server yet.
Also you can use memcache_add() function.
Список параметров
-
key -
The key that will be associated with the item.
-
var -
The variable to store. Strings and integers are stored as is, other types are stored serialized.
-
flag -
Use
MEMCACHE_COMPRESSEDto store the item compressed (uses zlib). -
expire -
Expiration time of the item. If it's equal to zero, the item will never expire. You can also use Unix timestamp or a number of seconds starting from current time, but in the latter case the number of seconds may not exceed 2592000 (30 days).
Возвращаемые значения
Возвращает TRUE в случае успешного завершения или FALSE в случае возникновения ошибки.
Returns FALSE if such key already exist. For the rest
Memcache::add() behaves similarly to
Memcache::set().
Примеры
Пример #1 Memcache::add() example
<?php
$memcache_obj = memcache_connect("localhost", 11211);
/* procedural API */
memcache_add($memcache_obj, 'var_key', 'test variable', false, 30);
/* OO API */
$memcache_obj->add('var_key', 'test variable', false, 30);
?>
Смотрите также
- Memcache::set() - Store data at the server
- Memcache::replace() - Replace value of the existing item
Вернуться к: Memcache