trait BinarySafetyTrait
{
    protected static $originalEncoding = "utf-8"; // Значение по умолчанию

    protected static function enableBinarySafety()
    {
        static::$originalEncoding = mb_internal_encoding();
        mb_internal_encoding("latin1");
    }

    protected static function disableBinarySafety()
    {
        mb_internal_encoding(static::$originalEncoding);
    }

    protected static function executeInBinarySafeEnvironment($callback)
    {
        static::enableBinarySafety();

        try {
            return call_user_func($callback);
        } finally {
            static::disableBinarySafety();
        }
    }
}