Markdown_Parser::formParagraphs PHP Method

    function formParagraphs($text)
    {
        #
        #	Params:
        #		$text - string to process with html <p> tags
        #
        # Strip leading and trailing lines:
        $text = preg_replace('/\\A\\n+|\\n+\\z/', '', $text);
        $grafs = preg_split('/\\n{2,}/', $text, -1, PREG_SPLIT_NO_EMPTY);
        #
        # Wrap <p> tags and unhashify HTML blocks
        #
        foreach ($grafs as $key => $value) {
            if (!preg_match('/^B\\x1A[0-9]+B$/', $value)) {
                # Is a paragraph.
                $value = $this->runSpanGamut($value);
                $value = preg_replace('/^([ ]*)/', "<p>", $value);
                $value .= "</p>";
                $grafs[$key] = $this->unhash($value);
            } else {
                # Is a block.
                # Modify elements of @grafs in-place...
                $graf = $value;
                $block = $this->html_hashes[$graf];
                $graf = $block;
                //				if (preg_match('{
                //					\A
                //					(							# $1 = <div> tag
                //					  <div  \s+
                //					  [^>]*
                //					  \b
                //					  markdown\s*=\s*  ([\'"])	#	$2 = attr quote char
                //					  1
                //					  \2
                //					  [^>]*
                //					  >
                //					)
                //					(							# $3 = contents
                //					.*
                //					)
                //					(</div>)					# $4 = closing tag
                //					\z
                //					}xs', $block, $matches))
                //				{
                //					list(, $div_open, , $div_content, $div_close) = $matches;
                //
                //					# We can't call Markdown(), because that resets the hash;
                //					# that initialization code should be pulled into its own sub, though.
                //					$div_content = $this->hashHTMLBlocks($div_content);
                //
                //					# Run document gamut methods on the content.
                //					foreach ($this->document_gamut as $method => $priority) {
                //						$div_content = $this->$method($div_content);
                //					}
                //
                //					$div_open = preg_replace(
                //						'{\smarkdown\s*=\s*([\'"]).+?\1}', '', $div_open);
                //
                //					$graf = $div_open . "\n" . $div_content . "\n" . $div_close;
                //				}
                $grafs[$key] = $graf;
            }
        }
        return implode("\n\n", $grafs);
    }