Markdownify\Converter::handleTag_img PHP 메소드

    protected function handleTag_img()
    {
        if (!$this->parser->isStartTag) {
            return;
            // just to be sure this is really an empty tag...
        }
        if (isset($this->parser->tagAttributes['title'])) {
            $this->parser->tagAttributes['title'] = $this->decode($this->parser->tagAttributes['title']);
        } else {
            $this->parser->tagAttributes['title'] = null;
        }
        if (isset($this->parser->tagAttributes['alt'])) {
            $this->parser->tagAttributes['alt'] = $this->decode($this->parser->tagAttributes['alt']);
        } else {
            $this->parser->tagAttributes['alt'] = null;
        }
        if (empty($this->parser->tagAttributes['src'])) {
            // support for "empty" images... dunno if this is really needed
            // but there are some test cases which do that...
            if (!empty($this->parser->tagAttributes['title'])) {
                $this->parser->tagAttributes['title'] = ' ' . $this->parser->tagAttributes['title'] . ' ';
            }
            $this->out('![' . $this->parser->tagAttributes['alt'] . '](' . $this->parser->tagAttributes['title'] . ')', true);
            return;
        } else {
            $this->parser->tagAttributes['src'] = $this->decode($this->parser->tagAttributes['src']);
        }
        $out = '![' . $this->parser->tagAttributes['alt'] . ']';
        if ($this->linkPosition == self::LINK_IN_PARAGRAPH) {
            $out .= '(' . $this->parser->tagAttributes['src'];
            if ($this->parser->tagAttributes['title']) {
                $out .= ' "' . $this->parser->tagAttributes['title'] . '"';
            }
            $out .= ')';
            $this->out($out, true);
            return;
        }
        // ![This image][id]
        $link_id = false;
        if (!empty($this->footnotes)) {
            foreach ($this->footnotes as $tag) {
                if ($tag['href'] == $this->parser->tagAttributes['src'] && $tag['title'] === $this->parser->tagAttributes['title']) {
                    $link_id = $tag['linkID'];
                    break;
                }
            }
        }
        if (!$link_id) {
            $link_id = count($this->footnotes) + 1;
            $tag = array('href' => $this->parser->tagAttributes['src'], 'linkID' => $link_id, 'title' => $this->parser->tagAttributes['title']);
            array_push($this->footnotes, $tag);
        }
        $out .= '[' . $link_id . ']';
        $this->out($out, true);
    }