function twitter_filter in Twitter 6.5

Same name and namespace in other branches

1. 6.2 twitter.module \twitter_filter()
2. 6.3 twitter.module \twitter_filter()
3. 6.4 twitter.module \twitter_filter()

Implementation of hook_filter().

0 - Twitter @username converter: Converts Twitter-style @usernames into links to Twitter account pages. 1 - Twitter #hashtag converter: Converts Twitter-style #hashtags into links to hashtags.org. 2 - Twitter link converter: Makes links to be opened in new pages and adds nofollow attribute.

File

./twitter.module, line 231

Provides API integration with the Twitter microblogging service.

Code

function twitter_filter($op, $delta = 0, $format = -1, $text = '') {
  switch ($op) {
    case 'list':
      return array(
        0 => t('Twitter @username converter'),
        1 => t('Twitter #hashtag converter'),
        2 => t('Twitter link converter'),
        3 => t('Embed Tweets'),
      );
    case 'description':
      switch ($delta) {
        case 0:
          return t('Converts Twitter-style @usernames into links to Twitter account pages.');
        case 1:
          return t('Converts Twitter-style #hashtags into links to twitter.com. Note: this converts all text prefixed by a "#" symbol into a hashtag link, so it can cause problems with other text.');
        case 2:
          return t('Makes links in Twitter messages to be opened in new windows and adds rel="nofollow" so these links do not penalize SEO.');
        case 3:
          return t('Converts URLs for Twitter status updates into embedded Tweets. Should be sorted after the "Limit allowed HTML tags" filter, if used.');
        default:
          return;
      }
    case 'process':
      switch ($delta) {
        case 0:
          return _twitter_filter_username($text);
        case 1:
          return _twitter_filter_hashtag($text);
        case 2:
          return _twitter_filter_link($text);
        case 3:
          return _twitter_filter_embed_tweet($text);
        default:
          return $text;
      }
    default:
      return $text;
  }
}