function MarkdownExtra_Parser::formParagraphs in Markdown 6

Same name and namespace in other branches

1. 5 markdown.php \MarkdownExtra_Parser::formParagraphs()

Overrides Markdown_Parser::formParagraphs

File

./markdown.php, line 2995

Class

MarkdownExtra_Parser

Code

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) {
    $value = trim($this
      ->runSpanGamut($value));

    # Check if this should be enclosed in a paragraph.

    # Clean tag hashes & block tag hashes are left alone.
    $is_p = !preg_match('/^B\\x1A[0-9]+B|^C\\x1A[0-9]+C$/', $value);
    if ($is_p) {
      $value = "<p>{$value}</p>";
    }
    $grafs[$key] = $value;
  }

  # Join grafs in one text, then unhash HTML tags.
  $text = implode("\n\n", $grafs);

  # Finish by removing any tag hashes still present in $text.
  $text = $this
    ->unhash($text);
  return $text;
}