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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 |
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723 | } |
724 |
|
725 | /** |
726 | * Filters the post comments feed permalink. |
727 | * |
728 | * @since 1.5.1 |
729 | * |
730 | * @param string $url Post comments feed permalink. |
731 | */ |
732 | return apply_filters( 'post_comments_feed_link', $url ); |
733 | } |
734 |
|
735 | /** |
736 | * Displays the comment feed link for a post. |
737 | * |
738 | * Prints out the comment feed link for a post. Link text is placed in the |
739 | * anchor. If no link text is specified, default text is used. If no post ID is |
740 | * specified, the current post is used. |
741 | * |