Gregwar\Formidable\Fields\FileField::sizePrettyize PHP Метод

    public function sizePrettyize($size)
    {
        $unites = array('o', 'Ko', 'Mo', 'Go', 'To', 'Po');
        $n = floor(log($size) / log(1024));
        $t = round($size / pow(1024, $n), 1);
        return $t . ' ' . $unites[$n];
    }