function _hashtags_filter_process in Hashtags 7

1 string reference to '_hashtags_filter_process'

hashtags_filter_info in ./hashtags.module

Implements hook_filter_info().

File

./hashtags.module, line 683

Code

function _hashtags_filter_process($text, $filter, $format, $langcode, $cache, $cache_id) {
  $hashtags_array = hashtags_parse_tags($text, FALSE);

  // No hashtag found in text
  if (!sizeof($hashtags_array)) {
    return $text;
  }
  $hashtags_tids = hashtags_get_terms_by_names($hashtags_array);

  // No hashtag tids found
  if (!sizeof($hashtags_tids)) {
    return $text;
  }

  // create a class to pass parameters and have replace logic
  $replace_parameter = new HashtagsLinksConverter();
  $replace_parameter->hashtags_tids = $hashtags_tids;

  // 1) 2+ character after #
  // 2) Don't start with or use only numbers (0-9) (#123abc, #123 etc)
  // 3) Letters - digits work correct (#abc123, #conference2013)
  // 4) No Special Characters “!, $, %, ^, &, *, +, .”
  // 5) No Spaces
  // 6) May use an underscore. Hyphens and dashes will not work.
  // 7) <p>#hashtag</p> - is valid
  // 8) <a href="#hashtag">Link</p> - is not valid
  // Bug when hashtag resides at the begining of the string
  $pattern = "/([\\s>]*?)(#)([[:alpha:]][[:alnum:]_]*[^<\\s[:punct:]])/iu";
  $text = preg_replace_callback($pattern, array(
    &$replace_parameter,
    'replace',
  ), $text);
  return $text;
}