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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 |
|---|---|
| 42 | <?php do_action('comments_atom_head'); ?> |
| 43 | <?php |
| 44 | if ( have_comments() ) : while ( have_comments() ) : the_comment(); |
| 45 | $comment_post = $GLOBALS['post'] = get_post( $comment->comment_post_ID ); |
| 46 | ?> |
| 47 | <entry> |
| 48 | <title><?php |
| 49 | if ( !is_singular() ) { |
| 50 | $title = get_the_title($comment_post->ID); |
| 51 | $title = apply_filters('the_title_rss', $title); |
| 52 | printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss()); |
| 53 | } else { |
| 54 | printf(ent2ncr(__('By: %s')), get_comment_author_rss()); |
| 55 | } |
| 56 | ?></title> |
| 57 | <link rel="alternate" href="<?php comment_link(); ?>" type="<?php bloginfo_rss('html_type'); ?>" /> |
| 58 | |
| 59 | <author> |
| 60 | <name><?php comment_author_rss(); ?></name> |