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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 |
---|---|
15 | elseif ( is_search() ) |
16 | printf(__('Comments for %s searching on %s'), get_bloginfo_rss( 'name' ), attribute_escape($wp_query->query_vars['s'])); |
17 | else |
18 | printf(__('Comments for %s'), get_bloginfo_rss( 'name' ) . get_wp_title_rss()); |
19 | ?></title> |
20 | <link><?php (is_single()) ? the_permalink_rss() : bloginfo_rss("url") ?></link> |
21 | <description><?php bloginfo_rss("description") ?></description> |
22 | <pubDate><?php echo gmdate('r'); ?></pubDate> |
23 | <generator>http://wordpress.org/?v=<?php echo $wp_version ?></generator> |
24 | <?php do_action('commentsrss2_head'); ?> |
25 | <?php |
26 | if ( have_comments() ) : while ( have_comments() ) : the_comment(); |
27 | $comment_post = get_post($comment->comment_post_ID); |
28 | get_post_custom($comment_post->ID); |
29 | ?> |
30 | <item> |
31 | <title><?php |
32 | if ( !is_singular() ) { |
33 | $title = get_the_title($comment_post->ID); |