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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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824 | } elseif ( 'post_tag' == $taxonomy ) { |
825 | /** |
826 | * Filter the post tag feed link. |
827 | * |
828 | * @since 2.3.0 |
829 | * |
830 | * @param string $link The tag feed link. |
831 | * @param string $feed Feed type. |
832 | */ |
833 | $link = apply_filters( 'tag_feed_link', $link, $feed ); |
834 | } else { |
835 | /** |
836 | * Filter the feed link for a taxonomy other than 'category' or 'post_tag'. |
837 | * |
838 | * @since 3.0.0 |
839 | * |
840 | * @param string $link The taxonomy feed link. |
841 | * @param string $feed Feed type. |
842 | * @param string $feed The taxonomy name. |