public static function cw_words() { if (self::$cw_words == NULL) { self::$cw_words = cw_words::instance(); } return self::$cw_words; }
public function setUp() { $this->cw_words = cw_words::instance(); }
public static function instance() { if (self::$instance == NULL) { self::$instance = new cw_words(); } return self::$instance; }