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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.
This hook occurs 2 times in this file.
Line | Code |
---|---|
616 | if ( $feed == get_default_feed() ) |
617 | $feed_link = 'feed'; |
618 | else |
619 | $feed_link = "feed/$feed"; |
620 |
|
621 | $link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' ); |
622 | } |
623 |
|
624 | if ( 'category' == $taxonomy ) |
625 | $link = apply_filters( 'category_feed_link', $link, $feed ); |
626 | elseif ( 'post_tag' == $taxonomy ) |
627 | $link = apply_filters( 'category_feed_link', $link, $feed ); |
628 | else |
629 | $link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy ); |
630 |
|
631 | return $link; |
632 | } |
633 |
|
634 | /** |
635 | * Retrieve permalink for feed of tag. |
636 | * |