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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 |
|---|---|
| 664 | } |
| 665 | |
| 666 | /** |
| 667 | * Filter the post comments feed permalink. |
| 668 | * |
| 669 | * @since 1.5.1 |
| 670 | * |
| 671 | * @param string $url Post comments feed permalink. |
| 672 | */ |
| 673 | return apply_filters( 'post_comments_feed_link', $url ); |
| 674 | } |
| 675 | |
| 676 | /** |
| 677 | * Display the comment feed link for a post. |
| 678 | * |
| 679 | * Prints out the comment feed link for a post. Link text is placed in the |
| 680 | * anchor. If no link text is specified, default text is used. If no post ID is |
| 681 | * specified, the current post is used. |
| 682 | * |