AdminPageFramework_Utility_String::getReadableBytes PHP Метод

    public static function getReadableBytes($nBytes)
    {
        $_aUnits = array(0 => 'B', 1 => 'KB', 2 => 'MB', 3 => 'GB');
        $_nLog = log($nBytes, 1024);
        $_iPower = (int) $_nLog;
        $_iSize = pow(1024, $_nLog - $_iPower);
        return $_iSize . $_aUnits[$_iPower];
    }