Banago\PHPloy\PHPloy::humanFilesize PHP 메소드

    public function humanFilesize($bytes, $decimals = 2)
    {
        $sz = 'BKMGTP';
        $factor = floor((strlen($bytes) - 1) / 3);
        return sprintf("%.{$decimals}f", $bytes / pow(1024, $factor)) . @$sz[$factor];
    }