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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 48 | foreach ($comments as $comment) { |
| 49 | $GLOBALS['comment'] =& $comment; |
| 50 | // Some plugins may need to know the metadata |
| 51 | // associated with this comment's post: |
| 52 | get_post_custom($comment->comment_post_ID); |
| 53 | ?> |
| 54 | <item> |
| 55 | <title><?php if ( ! (is_single() || is_page()) ) { |
| 56 | $title = get_the_title($comment->comment_post_ID); |
| 57 | $title = apply_filters('the_title', $title); |
| 58 | $title = apply_filters('the_title_rss', $title); |
| 59 | printf(__('Comment on %1$s by %2$s'), $title, get_comment_author_rss()); |
| 60 | } else { |
| 61 | printf(__('By: %s'), get_comment_author_rss()); |
| 62 | } ?></title> |
| 63 | <link><?php comment_link() ?></link> |
| 64 | <author><?php echo get_comment_author_rss() ?></author> |
| 65 | <pubDate><?php echo mysql2date('D, d M Y H:i:s +0000', get_comment_time('Y-m-d H:i:s', true), false); ?></pubDate> |
| 66 | <guid><?php comment_link() ?></guid> |