Memcache::replace
(PECL memcache:0.2-2.1.2)
Memcache::replace — Replace value of the existing item
Описание
Memcache::replace() should be used to replace value of existing item with key . In case if item with such key doesn't exists, Memcache::replace() returns FALSE. For the rest Memcache::replace() behaves similarly to Memcache::set(). Also you can use memcache_replace() 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_COMPRESSED to 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.
Примеры
Пример #1 Memcache::replace() example
<?php
$memcache_obj = memcache_connect('memcache_host', 11211);
/* procedural API */
memcache_replace($memcache_obj, "test_key", "some variable", false, 30);
/* OO API */
$memcache_obj->replace("test_key", "some variable", false, 30);
?>
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