WordPress pagination snippet

template.php

<?php


// Get the header
get_header();

// Results pagination offset
$offset = ($_GET["offset"] ? $_GET["offset"] : 0);
global $wp_query;
$found_posts = $wp_query->found_posts;
$ppp = $wp_query->query_vars["posts_per_page"];
$total_pages = $wp_query->max_num_pages;

?>

<main class="section">
    <div class="container">
        
        <div class="search-results">
        <?php if ( have_posts() ): ?>

            <?php if ($found_posts > 10): ?>
                <p><strong><?php echo $offset+1; ?> to <?php echo $offset+$ppp; ?> of <?php echo $found_posts; ?> results</strong></p>
            <?php else: ?>
                <p>Showing <strong><?php echo $found_posts; ?> result(s)</strong></p>
            <?php endif; ?>
            
            <?php while ( have_posts() ): the_post(); ?>

                    <article>
                        
                        <!-- the post -->

                    </article>

            <?php endwhile; ?>

            <section class="search-pagination">
            
                    <!-- Previous Results Page -->
                    <?php if ($offset): ?>
                        <a href="<?php echo esc_url( add_query_arg( 'offset', $offset-$ppp ) ); ?>" class="btn--prev  |  search-pagination__prev">Previous Page</a>
                    <?php else: ?>
                        <span class="btn--prev  |  search-pagination__prev  search-pagination--disabled">Previous Page</span>
                    <?php endif; ?>

            
                    <!-- Pagination -->
                    <ol class="search-pagination__list">
                    <?php for ($i = 1; $i <= $total_pages; $i++) : ?>
                        <li>
                            <a href="<?php echo esc_url( add_query_arg( 'offset', ($i*10)-10 ) ); ?>" class="<?php echo ((($i*10)-10) == $offset ? "search-pagination__link--disabled" : ""); ?>  search-pagination__link"><?php echo $i; ?></a>
                        </li>
                    <?php endfor; ?>
                    </ol>
                        
                    <!-- Next Results Page -->
                    <?php if ($found_posts-$offset > 10): ?>
                        <a href="<?php echo esc_url( add_query_arg( 'offset', $offset+$ppp ) ); ?>" class="btn--next  |  search-pagination__next">Next Page</a>
                    <?php else: ?>
                        <span class="btn--next  |  search-pagination__next  search-pagination--disabled">Next Page</span>
                    <?php endif; ?>
                    
            </section>

        <?php else: ?>

            <!-- No posts found -->

        <?php endif; ?>
        </div>

    </div>
    <!-- .container -->
</main>

<?php get_footer(); ?>