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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 |
|---|---|
| 70 | <?php |
| 71 | if ( have_comments() ) : while ( have_comments() ) : the_comment(); |
| 72 | $comment_post = $GLOBALS['post'] = get_post( $comment->comment_post_ID ); |
| 73 | ?> |
| 74 | <entry> |
| 75 | <title><?php |
| 76 | if ( !is_singular() ) { |
| 77 | $title = get_the_title($comment_post->ID); |
| 78 | /** This filter is documented in wp-includes/feed.php */ |
| 79 | $title = apply_filters( 'the_title_rss', $title ); |
| 80 | /* translators: Individual comment title. 1: Post title, 2: Comment author name */ |
| 81 | printf(ent2ncr(__('Comment on %1$s by %2$s')), $title, get_comment_author_rss()); |
| 82 | } else { |
| 83 | /* translators: Comment author title. 1: Comment author name */ |
| 84 | printf(ent2ncr(__('By: %s')), get_comment_author_rss()); |
| 85 | } |
| 86 | ?></title> |
| 87 | <link rel="alternate" href="<?php comment_link(); ?>" type="<?php bloginfo_rss('html_type'); ?>" /> |
| 88 | |