bbp_get_forum_topics_feed_link( int $forum_id )

	function bbp_get_forum_topics_feed_link( $forum_id = 0 ) {

		// Validate forum id
		$forum_id = bbp_get_forum_id( $forum_id );

		// Forum is valid
		if ( !empty( $forum_id ) ) {

			// Define local variable(s)
			$link = '';

			// Pretty permalinks
			if ( get_option( 'permalink_structure' ) ) {

				// Forum link
				$url = trailingslashit( bbp_get_forum_permalink( $forum_id ) ) . 'feed';
				$url = user_trailingslashit( $url, 'single_feed' );

			// Unpretty permalinks
			} else {
				$url = home_url( add_query_arg( array(
					'feed'                    => 'rss2',
					bbp_get_forum_post_type() => get_post_field( 'post_name', $forum_id )
				) ) );
			}

			$link = '<a href="' . esc_url( $url ) . '" class="bbp-forum-rss-link topics"><span>' . esc_attr__( 'Discussions', 'buddyboss' ) . '</span></a>';
		}

		return apply_filters( 'bbp_get_forum_topics_feed_link', $link, $url, $forum_id );
	}