HM\BackUpWordPress\Site_Size::rebuild_directory_filesizes PHP Method

    public function rebuild_directory_filesizes()
    {
        if ($this->is_site_size_being_calculated()) {
            return false;
        }
        // Mark the filesize as being calculated
        set_transient('hmbkp_directory_filesizes_running', true, HOUR_IN_SECONDS);
        // Schedule a Backdrop task to trigger a recalculation
        $task = new Task(array($this, 'recursive_filesize_scanner'));
        $task->schedule();
    }