Apache.RU - Russian Apache Web-Server

Описание

bool Memcache::add ( string $key , mixed $var [, int $flag [, int $expire ]] )

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_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. 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