Custom Blog Posts Pagination for Bootstrap Theme

    /*
     * Custom Blog Posts Pagination for Bootstrap Theme
     *
     *  This function is replacement for:
     *  @the_posts_pagination();
     *  and is used on home.php template, line: 55
     *
     *  It shows nice and clear posts pagination tailored to Bootstrap Theme
     *
     * @since The Bootstrap Blog 0.1
     **/

function the_bootstrap_blog__the_posts_pagination(){
    global $wp_query;

if ( $wp_query->max_num_pages > 1 ) {

    $n = "\n";

    $next = get_next_posts_link( __( 'Older', 'the-bootstrap-blog' ) );

    if ( get_query_var( 'paged' ) == '0' ) {

        $prev = '<a class="btn btn-outline-secondary disabled" href="#">' . __( 'Newer', 'the-bootstrap-blog' ) . '</a>';
    } else {

        $prev = get_previous_posts_link( __( 'Newer', 'the-bootstrap-blog' ) );
    }

    $posts_pagination = '<nav class="blog-pagination">' . $n . $next . $n . $prev . $n . '</nav>';

    return $posts_pagination;
    }
}