get_next_post_link example

function next_post_link( $format = '%link »', $link = '%title', $in_same_term = false, $excluded_terms = '', $taxonomy = 'category' ) {
    echo get_next_post_link( $format, $link, $in_same_term, $excluded_terms, $taxonomy );
}

/** * Retrieves the adjacent post link. * * Can be either next post link or previous. * * @since 3.7.0 * * @param string $format Link anchor format. * @param string $link Link permalink format. * @param bool $in_same_term Optional. Whether link should be in the same taxonomy term. * Default false. * @param int[]|string $excluded_terms Optional. Array or comma-separated list of excluded terms IDs. * Default empty. * @param bool $previous Optional. Whether to display link to previous or next post. * Default true. * @param string $taxonomy Optional. Taxonomy, if `$in_same_term` is true. Default 'category'. * @return string The link URL of the previous or next post in relation to the current post. */