Add page-navi call in the loop about nebula HOT 3 CLOSED

<?php if ( is_plugin_active('wp-pagenavi/wp-pagenavi.php') ) : ?>
    <?php wp_pagenavi(); ?>
<?php else : ?>
    <?php
        global $wp_query;
        $big = 999999999; //An unlikely integer
        echo '<div class="wp-pagination">' . paginate_links(array(
            'base' => str_replace($big, '%#%', esc_url(get_pagenum_link($big))),
            'format' => '?paged=%#%',
            'current' => max(1, get_query_var('paged')),
            'total' => $wp_query->max_num_pages
        )) . '</div>';
    ?>
<?php endif; ?>