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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 |
|---|---|
| 675 | /** |
| 676 | * Filter the post comment feed link anchor tag. |
| 677 | * |
| 678 | * @since 2.8.0 |
| 679 | * |
| 680 | * @param string $link The complete anchor tag for the comment feed link. |
| 681 | * @param int $post_id Post ID. |
| 682 | * @param string $feed The feed type, or an empty string for the default feed type. |
| 683 | */ |
| 684 | echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed ); |
| 685 | } |
| 686 | |
| 687 | /** |
| 688 | * Retrieve the feed link for a given author. |
| 689 | * |
| 690 | * Returns a link to the feed for all posts by a given author. A specific feed |
| 691 | * can be requested or left blank to get the default feed. |
| 692 | * |
| 693 | * @since 2.5.0 |