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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 |
|---|---|
| 715 | |
| 716 | /** |
| 717 | * Filter the feed link for a given author. |
| 718 | * |
| 719 | * @since 1.5.1 |
| 720 | * |
| 721 | * @param string $link The author feed link. |
| 722 | * @param string $feed Feed type. |
| 723 | */ |
| 724 | $link = apply_filters( 'author_feed_link', $link, $feed ); |
| 725 | |
| 726 | return $link; |
| 727 | } |
| 728 | |
| 729 | /** |
| 730 | * Retrieve the feed link for a category. |
| 731 | * |
| 732 | * Returns a link to the feed for all posts in a given category. A specific feed |
| 733 | * can be requested or left blank to get the default feed. |