判断是否开启了在线调试
boolean Bootstrap::_is_online_debug( )
boolean private static function _is_online_debug()
{
    if (IS_SYSTEM_MODE)
    {
        if (isset($_SERVER['HTTP_X_MYQEE_SYSTEM_DEBUG']) && $_SERVER['HTTP_X_MYQEE_SYSTEM_DEBUG']=='1')
        {
            return true;
        }
        else
        {
            return false;
        }
    }
    if (!isset($_COOKIE['_debug_open'])) return false;
    if (!isset(self::$core_config['debug_open_password']) || !is_array(self::$core_config['debug_open_password'])) return false;
    foreach (self::$core_config['debug_open_password'] as $username => $password)
    {
        if ($_COOKIE['_debug_open'] == self::get_debug_hash($username, $password))
        {
            return true;
        }
    }
    return false;
}