Memcache::add

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.

Esempio 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().