get_the_post_navigation( array $args = array() )

function get_the_post_navigation( $args = array() ) {
	$args = wp_parse_args( $args, array(
		'prev_text'          => '%title',
		'next_text'          => '%title',
		'in_same_term'       => false,
		'excluded_terms'     => '',
		'taxonomy'           => 'category',
		'screen_reader_text' => __( 'Post navigation' ),
	) );

	$navigation = '';

	$previous = get_previous_post_link(
		'<div class="nav-previous">%link</div>',
		$args['prev_text'],
		$args['in_same_term'],
		$args['excluded_terms'],
		$args['taxonomy']
	);

	$next = get_next_post_link(
		'<div class="nav-next">%link</div>',
		$args['next_text'],
		$args['in_same_term'],
		$args['excluded_terms'],
		$args['taxonomy']
	);

	// Only add markup if there's somewhere to navigate to.
	if ( $previous || $next ) {
		$navigation = _navigation_markup( $previous . $next, 'post-navigation', $args['screen_reader_text'] );
	}

	return $navigation;
}