public static function get($key, $default = null) {

		if(false === is_string($key)) {
			return trigger_error(sprintf('Argument 1 passed to %s() must be of the type string, "%s" given', __METHOD__, gettype($key)), E_USER_ERROR);
		}

		if(true === isset(static :: $data[$key])) {
			return static :: $data[$key];
		}

		$key = rtrim(base64_encode($key), '=');

		if(true === isset(static :: $data[$key])) {
			
			$cookie = Hash :: decrypt(base64_decode(static :: $data[$key]), Application :: get('salt'));
			return false !== $cookie ? $cookie : $default;
		}

		return $default;
	}