pager.php

<?php

if ( $pagination == 'pager' ) :
  if ($wp_query->max_num_pages > 1) : 
    $current_page = max(1, get_query_var('paged'));
  ?>
    <nav class="post-nav">
      <ul class="pager">
        <li class="previous"><?php next_posts_link(__('&larr; Older posts', 'roots')); ?></li>
        <li class="text-center"><?php echo $current_page.' of '.$wp_query->max_num_pages; ?></li>
        <li class="next"><?php previous_posts_link(__('Newer posts &rarr;', 'roots')); ?></li>
      </ul>
    </nav>
  <?php
  endif;
else :