"; } class mCache extends Memcache { static private $instance = null; static private $port = 11211; static function mGet() { global $mservers; if(self::$instance == null) { self::$instance = new Memcache; foreach($mservers as $ser) { self::$instance->addServer($ser, self::$port); } } return self::$instance; } } if(mCache::mGet()->get($mkey)) $res = mCache::mGet()->replace($mkey, $val, 0, $expire); else $res = mCache::mGet()->set($mkey, $val, 0, $expire); var_dump($res); ?>