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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 |
|---|---|
| 868 | $feed = 'rss2'; |
| 869 | |
| 870 | $for_comments = false; |
| 871 | if ( 1 != get_query_var('withoutcomments') && ( is_singular() || get_query_var('withcomments') == 1 || $feed == 'comments-rss2' ) ) { |
| 872 | $feed = 'rss2'; |
| 873 | $for_comments = true; |
| 874 | } |
| 875 | |
| 876 | $hook = 'do_feed_' . $feed; |
| 877 | do_action($hook, $for_comments); |
| 878 | } |
| 879 | |
| 880 | function do_feed_rdf() { |
| 881 | load_template(ABSPATH . 'wp-rdf.php'); |
| 882 | } |
| 883 | |
| 884 | function do_feed_rss() { |
| 885 | load_template(ABSPATH . 'wp-rss.php'); |
| 886 | } |