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Memcache::add

memcache_add

(PECL memcache >= 0.2.0)

Memcache::add -- memcache_add — Add an item to the server

Açıklama

Memcache::add(
    string $key,
    mixed $var,
    int $flag = ?,
    int $expire = ?
): bool
memcache_add(
    Memcache $memcache,
    string $key,
    mixed $var,
    int $flag = ?,
    int $expire = ?
): bool

Memcache::add() stores variable var with key only if such key doesn't exist at the server yet.

Bağımsız Değişkenler

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).

Dönen Değerler

Başarı durumunda true, başarısızlık durumunda false döner. Returns false if such key already exist. For the rest Memcache::add() behaves similarly to Memcache::set().

Örnekler

Örnek 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);

?>

Ayrıca Bakınız