feed_links( array $args = array() )

function feed_links( $args = array() ) {
	if ( !current_theme_supports('automatic-feed-links') )
		return;

	$defaults = array(
		/* translators: Separator between blog name and feed type in feed links */
		'separator'	=> _x('»', 'feed link'),
		/* translators: 1: blog title, 2: separator (raquo) */
		'feedtitle'	=> __('%1$s %2$s Feed'),
		/* translators: 1: blog title, 2: separator (raquo) */
		'comstitle'	=> __('%1$s %2$s Comments Feed'),
	);

	$args = wp_parse_args( $args, $defaults );

	/**
	 * Filters whether to display the posts feed link.
	 *
	 * @since WP-4.4.0
	 *
	 * @param bool $show Whether to display the posts feed link. Default true.
	 */
	if ( apply_filters( 'feed_links_show_posts_feed', true ) ) {
		echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['feedtitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link() ) . "\" />\n";
	}

	/**
	 * Filters whether to display the comments feed link.
	 *
	 * @since WP-4.4.0
	 *
	 * @param bool $show Whether to display the comments feed link. Default true.
	 */
	if ( apply_filters( 'feed_links_show_comments_feed', true ) ) {
		echo '<link rel="alternate" type="' . feed_content_type() . '" title="' . esc_attr( sprintf( $args['comstitle'], get_bloginfo( 'name' ), $args['separator'] ) ) . '" href="' . esc_url( get_feed_link( 'comments_' . get_default_feed() ) ) . "\" />\n";
	}
}