Markdownify\Converter::flushFootnotes PHP Method

    protected function flushFootnotes()
    {
        $out = false;
        foreach ($this->footnotes as $k => $tag) {
            if (!isset($tag['unstacked'])) {
                if (!$out) {
                    $out = true;
                    $this->out("\n\n", true);
                } else {
                    $this->out("\n", true);
                }
                $this->out(' [' . $tag['linkID'] . ']: ' . $this->getLinkReference($tag), true);
                $tag['unstacked'] = true;
                $this->footnotes[$k] = $tag;
            }
        }
    }