elFinder::size PHP Method

    protected function size($args)
    {
        $size = 0;
        foreach ($args['targets'] as $target) {
            if (($volume = $this->volume($target)) == false || ($file = $volume->file($target)) == false || !$file['read']) {
                return array('error' => $this->error(self::ERROR_OPEN, '#' . $target));
            }
            $size += $volume->size($target);
        }
        return array('size' => $size);
    }