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

    protected function doHeaders($text)
    {
        # Setext-style headers:
        #      Header 1
        #      ========
        #
        #      Header 2
        #      --------
        #
        $text = preg_replace_callback('{ ^(.+?)[ ]*\\n(=+|-+)[ ]*\\n+ }mx', array(&$this, '_doHeaders_callback_setext'), $text);
        # atx-style headers:
        #    # Header 1
        #    ## Header 2
        #    ## Header 2 with closing hashes ##
        #    ...
        #    ###### Header 6
        #
        $text = preg_replace_callback('{
				^(\\#{1,6})	# $1 = string of #\'s
				[ ]*
				(.+?)		# $2 = Header text
				[ ]*
				\\#*			# optional closing #\'s (not counted)
				\\n+
			}xm', array(&$this, '_doHeaders_callback_atx'), $text);
        return $text;
    }