bp_get_member_activity_feed_link()

	function bp_get_member_activity_feed_link() {

		// Single member activity feed link.
		if ( bp_is_profile_component() || bp_is_current_action( 'just-me' ) ) {
			$link = bp_displayed_user_domain() . bp_get_activity_slug() . '/feed/';

		// Friend feed link.
		} elseif ( bp_is_active( 'friends' ) && bp_is_current_action( bp_get_friends_slug() ) ) {
			$link = bp_displayed_user_domain() . bp_get_activity_slug() . '/' . bp_get_friends_slug() . '/feed/';

		// Group feed link.
		} elseif ( bp_is_active( 'groups'  ) && bp_is_current_action( bp_get_groups_slug()  ) ) {
			$link = bp_displayed_user_domain() . bp_get_activity_slug() . '/' . bp_get_groups_slug() . '/feed/';

		// Favorites activity feed link.
		} elseif ( 'favorites' === bp_current_action() ) {
			$link = bp_displayed_user_domain() . bp_get_activity_slug() . '/favorites/feed/';

		// Mentions activity feed link.
		} elseif ( ( 'mentions' === bp_current_action() ) && bp_activity_do_mentions() ) {
			$link = bp_displayed_user_domain() . bp_get_activity_slug() . '/mentions/feed/';

		// No feed link.
		} else {
			$link = '';
		}

		/**
		 * Filters the member activity feed link.
		 *
		 * @since BuddyPress 1.0.0
		 *
		 * @param string $link URL for the member activity feed.
		 */
		return apply_filters( 'bp_get_activities_member_rss_link', $link );
	}