WordPress Version: 5.3
/**
* Retrieves the permalink for the search results feed.
*
* @since 2.5.0
*
* @global WP_Rewrite $wp_rewrite WordPress rewrite component.
*
* @param string $search_query Optional. Search query. Default empty.
* @param string $feed Optional. Feed type. Possible values include 'rss2', 'atom'.
* Default is the value of get_default_feed().
* @return string The search results feed permalink.
*/
function get_search_feed_link($search_query = '', $feed = '')
{
global $wp_rewrite;
$link = get_search_link($search_query);
if (empty($feed)) {
$feed = get_default_feed();
}
$permastruct = $wp_rewrite->get_search_permastruct();
if (empty($permastruct)) {
$link = add_query_arg('feed', $feed, $link);
} else {
$link = trailingslashit($link);
$link .= "feed/{$feed}/";
}
/**
* Filters the search feed link.
*
* @since 2.5.0
*
* @param string $link Search feed link.
* @param string $feed Feed type. Possible values include 'rss2', 'atom'.
* @param string $type The search type. One of 'posts' or 'comments'.
*/
return apply_filters('search_feed_link', $link, $feed, 'posts');
}