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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 783 | $permastruct = $wp_rewrite->get_search_permastruct(); |
| 784 | |
| 785 | if ( empty($permastruct) ) { |
| 786 | $link = add_query_arg('feed', $feed, $link); |
| 787 | } else { |
| 788 | $link = trailingslashit($link); |
| 789 | $link .= "feed/$feed/"; |
| 790 | } |
| 791 | |
| 792 | $link = apply_filters('search_feed_link', $link, $feed, 'posts'); |
| 793 | |
| 794 | return $link; |
| 795 | } |
| 796 | |
| 797 | /** |
| 798 | * Retrieve the permalink for the comments feed of the search results. |
| 799 | * |
| 800 | * @since 2.5.0 |
| 801 | * |
| Line | Code |
| 812 | $link = get_search_feed_link($search_query, $feed); |
| 813 | |
| 814 | $permastruct = $wp_rewrite->get_search_permastruct(); |
| 815 | |
| 816 | if ( empty($permastruct) ) |
| 817 | $link = add_query_arg('feed', 'comments-' . $feed, $link); |
| 818 | else |
| 819 | $link = add_query_arg('withcomments', 1, $link); |
| 820 | |
| 821 | $link = apply_filters('search_feed_link', $link, $feed, 'comments'); |
| 822 | |
| 823 | return $link; |
| 824 | } |
| 825 | |
| 826 | /** |
| 827 | * Retrieve the permalink for a post type archive. |
| 828 | * |
| 829 | * @since 3.1.0 |
| 830 | * |