(PECL memcached >= 0.1.0)
Representa una conexión a un conjunto de servidores de memcached.
$cas_token,$server_key,$key,$value,$expiration = ?$server_key,$key,$offset = 1,$initial_value = 0,$expiry = 0$server_key,$key,$cache_cb = ?,&$cas_token = ?$server_key,$keys,$with_cas = ?,$value_cb = ?$server_key,$keys,&$cas_tokens = ?,$flags = ?