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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 |
|---|---|
| 8 | header('Content-Type: ' . feed_content_type('rss-http') . '; charset=' . get_option('blog_charset'), true); |
| 9 | |
| 10 | echo '<?xml version="1.0" encoding="'.get_option('blog_charset').'"?'.'>'; |
| 11 | ?> |
| 12 | <rss version="2.0" |
| 13 | xmlns:content="http://purl.org/rss/1.0/modules/content/" |
| 14 | xmlns:dc="http://purl.org/dc/elements/1.1/" |
| 15 | xmlns:atom="http://www.w3.org/2005/Atom" |
| 16 | xmlns:sy="http://purl.org/rss/1.0/modules/syndication/" |
| 17 | <?php do_action('rss2_ns'); do_action('rss2_comments_ns'); ?> |
| 18 | > |
| 19 | <channel> |
| 20 | <title><?php |
| 21 | if ( is_singular() ) |
| 22 | printf(ent2ncr(__('Comments on: %s')), get_the_title_rss()); |
| 23 | elseif ( is_search() ) |
| 24 | printf(ent2ncr(__('Comments for %s searching on %s')), get_bloginfo_rss( 'name' ), esc_attr($wp_query->query_vars['s'])); |
| 25 | else |
| 26 | printf(ent2ncr(__('Comments for %s')), get_bloginfo_rss( 'name' ) . get_wp_title_rss()); |