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# Memcache::add

(no version information, might be only in CVS)

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

## Description

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. Memcache::add() returns `FALSE` if such key already exist. For the rest Memcache::add() behaves similarly to Memcache::set().

Also you can use memcache_add() function. See example below.

Exemplo 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); ?>`

Memcache::add() returns `TRUE` on success or `FALSE` on failure.

See also Memcache::set(), Memcache::replace().

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