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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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975 | } elseif ( 'post_tag' === $taxonomy ) { |
976 | /** |
977 | * Filters the post tag feed link. |
978 | * |
979 | * @since 2.3.0 |
980 | * |
981 | * @param string $link The tag feed link. |
982 | * @param string $feed Feed type. Possible values include 'rss2', 'atom'. |
983 | */ |
984 | $link = apply_filters( 'tag_feed_link', $link, $feed ); |
985 | } else { |
986 | /** |
987 | * Filters the feed link for a taxonomy other than 'category' or 'post_tag'. |
988 | * |
989 | * @since 3.0.0 |
990 | * |
991 | * @param string $link The taxonomy feed link. |
992 | * @param string $feed Feed type. Possible values include 'rss2', 'atom'. |
993 | * @param string $taxonomy The taxonomy name. |