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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 |
|---|---|
| 1693 | $respond_link = get_permalink() . '#respond'; |
| 1694 | /** |
| 1695 | * Filters the respond link when a post has no comments. |
| 1696 | * |
| 1697 | * @since 4.4.0 |
| 1698 | * |
| 1699 | * @param string $respond_link The default response link. |
| 1700 | * @param int $post_id The post ID. |
| 1701 | */ |
| 1702 | $comments_link = apply_filters( 'respond_link', $respond_link, $post_id ); |
| 1703 | } else { |
| 1704 | $comments_link = get_comments_link(); |
| 1705 | } |
| 1706 | |
| 1707 | $link_attributes = ''; |
| 1708 | |
| 1709 | /** |
| 1710 | * Filters the comments link attributes for display. |
| 1711 | * |