static function init() { if (null === self::$memcache) { self::$memcache = new Memcache(); self::$memcache->connect(self::HOST, self::PORT); } return self::$memcache; }
public function __construct() { if (NULL === self::$memcache) { self::$memcache = new Memcache(); self::$memcache->connect(self::HOST, self::PORT); } }