February 12, 2011 
Definition:
function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) {}
Retrieve the feed link for a term.
Returns a link to the feed for all posts in a given term. A specific feed can be requested or left blank to get the default feed.
Parameters
- int $term_id: ID of a category.
- string $taxonomy: Optional. Taxonomy of $term_id
- string $feed: Optional. Feed type.
Return values
returns:Link to the feed for the term specified by $term_id and $taxonomy.
Defined filters
- category_feed_link
apply_filters( 'category_feed_link', $link, $feed ) - category_feed_link
apply_filters( 'category_feed_link', $link, $feed ) - taxonomy_feed_link
apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy )
Source code
function get_term_feed_link( $term_id, $taxonomy = 'category', $feed = '' ) {
global $wp_rewrite;
$term_id = ( int ) $term_id;
$term = get_term( $term_id, $taxonomy );
if ( empty( $term ) || is_wp_error( $term ) )
return false;
if ( empty( $feed ) )
$feed = get_default_feed();
$permalink_structure = get_option( 'permalink_structure' );
if ( '' == $permalink_structure ) {
if ( 'category' == $taxonomy ) {
$link = home_url("?feed=$feed&cat=$term_id");
}
elseif ( 'post_tag' == $taxonomy ) {
$link = home_url("?feed=$feed&tag=$term->slug");
} else {
$t = get_taxonomy( $taxonomy );
$link = home_url("?feed=$feed&$t->query_var=$term->slug");
}
} else {
$link = get_term_link( $term_id, $term->taxonomy );
if ( $feed == get_default_feed() )
$feed_link = 'feed';
else
$feed_link = "feed/$feed";
$link = trailingslashit( $link ) . user_trailingslashit( $feed_link, 'feed' );
}
if ( 'category' == $taxonomy )
$link = apply_filters( 'category_feed_link', $link, $feed );
elseif ( 'post_tag' == $taxonomy )
$link = apply_filters( 'category_feed_link', $link, $feed );
else
$link = apply_filters( 'taxonomy_feed_link', $link, $feed, $taxonomy );
return $link;
}
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