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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 |
---|---|
687 | /** |
688 | * Filter the post comment feed link anchor tag. |
689 | * |
690 | * @since 2.8.0 |
691 | * |
692 | * @param string $link The complete anchor tag for the comment feed link. |
693 | * @param int $post_id Post ID. |
694 | * @param string $feed The feed type, or an empty string for the default feed type. |
695 | */ |
696 | echo apply_filters( 'post_comments_feed_link_html', "<a href='$url'>$link_text</a>", $post_id, $feed ); |
697 | } |
698 |
|
699 | /** |
700 | * Retrieve the feed link for a given author. |
701 | * |
702 | * Returns a link to the feed for all posts by a given author. A specific feed |
703 | * can be requested or left blank to get the default feed. |
704 | * |
705 | * @since 2.5.0 |