org\parser\driver\Markdown::_doHeaders_callback_setext PHP Метод

    protected function _doHeaders_callback_setext($matches)
    {
        # Terrible hack to check we haven't found an empty list item.
        if ('-' == $matches[2] && preg_match('{^-(?: |$)}', $matches[1])) {
            return $matches[0];
        }
        $level = '=' == $matches[2][0] ? 1 : 2;
        $block = "<h{$level}>" . $this->runSpanGamut($matches[1]) . "</h{$level}>";
        return "\n" . $this->hashBlock($block) . "\n\n";
    }