get_next_posts_page_link()

get_next_posts_page_link( int $max_page ): string|null

function get_next_posts_page_link( $max_page = 0 ) {
	global $paged;

	if ( ! is_single() ) {
		if ( ! $paged ) {
			$paged = 1;
		}

		$next_page = (int) $paged + 1;

		if ( ! $max_page || $max_page >= $next_page ) {
			return get_pagenum_link( $next_page );
		}
	}
}