function Markdown($text)
{
    global $g_urls, $g_titles, $g_html_blocks;
    $g_urls = array();
    $g_titles = array();
    $g_html_blocks = array();
    $text = str_replace(array("\r\n", "\r"), "\n", $text);
    $text .= "\n\n";
    $text = _Detab($text);
    $text = preg_replace('/^[ \\t]+$/m', '', $text);
    $text = _HashHTMLBlocks($text);
    $text = _StripLinkDefinitions($text);
    $text = _EscapeSpecialChars($text);
    $text = _RunBlockGamut($text);
    $text = _UnescapeSpecialChars($text);
    return $text . "\n";
}
Example #2
0
function Markdown($text)
{
    #
    # Main function. The order in which other subs are called here is
    # essential. Link and image substitutions need to happen before
    # _EscapeSpecialCharsWithinTagAttributes(), so that any *'s or _'s in the <a>
    # and <img> tags get encoded.
    #
    # Clear the global hashes. If we don't clear these, you get conflicts
    # from other articles when generating a page which contains more than
    # one article (e.g. an index page that shows the N most recent
    # articles):
    global $md_urls, $md_titles, $md_html_blocks, $md_html_hashes;
    $md_urls = array();
    $md_titles = array();
    $md_html_blocks = array();
    $md_html_hashes = array();
    # Standardize line endings:
    #   DOS to Unix and Mac to Unix
    $text = str_replace(array("\r\n", "\r"), "\n", $text);
    # Make sure $text ends with a couple of newlines:
    $text .= "\n\n";
    # Convert all tabs to spaces.
    $text = _Detab($text);
    # Turn block-level HTML blocks into hash entries
    $text = _HashHTMLBlocks($text);
    # Strip any lines consisting only of spaces and tabs.
    # This makes subsequent regexen easier to write, because we can
    # match consecutive blank lines with /\n+/ instead of something
    # contorted like /[ \t]*\n+/ .
    $text = preg_replace('/^[ \\t]+$/m', '', $text);
    # Strip link definitions, store in hashes.
    $text = _StripLinkDefinitions($text);
    $text = _RunBlockGamut($text, FALSE);
    $text = _UnescapeSpecialChars($text);
    return $text . "\n";
}