Wordpress pagination code snippet

wp-pagination.php

############################# function-pagination.php ##########################

<?php

/**
* @link: http://callmenick.com/post/custom-wordpress-loop-with-pagination
* Create this as a separate file function-pagination.php
*/

function custom_pagination($numpages = '', $pagerange = '', $paged='') {
  
  if (empty($pagerange)) {
    $pagerange = 2;
  }
  
  /**
  * This first part of our function is a fallback
  * for custom pagination inside a regular loop that
  * uses the global $paged and global $wp_query variables.
  *
  * It's good because we can now override default pagination
  * in our theme, and use this function in default quries
  * and custom queries.
  */
  global $paged;
  if (empty($paged)) {
    $paged = 1;
  }
  if ($numpages == '') {
    global $wp_query;
    $numpages = $wp_query->max_num_pages;
    if(!$numpages) {
      $numpages = 1;
    }
  }
  
  /**
  * We construct the pagination arguments to enter into our paginate_links
  * function.
  */
  $pagination_args = array(
    'base'            => get_pagenum_link(1) . '%_%',
    'format'          => 'page/%#%',
    'total'           => $numpages,
    'current'         => $paged,
    'show_all'        => False,
    'end_size'        => 1,
    'mid_size'        => $pagerange,
    'prev_next'       => True,
    'prev_text'       => __('&laquo;'),
    'next_text'       => __('&raquo;'),
    'type'            => 'plain',
    'add_args'        => false,
    'add_fragment'    => ''
  );
  
  $paginate_links = paginate_links($pagination_args);
  
  if ($paginate_links) {
    echo "<div class='pagination'>";
    // echo "<span class='page-numbers page-num'>Page " . $paged . " of " . $numpages . "</span> ";
    echo $paginate_links;
    echo "</div>";
  }
  
}
?>
############################# / function-pagination.php ##########################

################################## example usage  ################################
# Include function-pagination.php in the seperate file
<?php
/**
* @usage
*/

/**
* include the custom pagination here
*/
include_once('function-pagination.php');

$paged = ( get_query_var('paged') ) ? get_query_var('paged') : 1;
# QUERY ARGS HERE
$args = array(
  'post_type' => 'blog',
  'posts_per_page' => 1,
  'paged' => $paged
);

$loop = new WP_Query( $args );
if ($loop->have_posts()) : while ( $loop->have_posts() ) : $loop->the_post();
?>

<li>
  <div class="featured-img"><img src="<?php the_post_thumbnail_url(); ?>"></div>
  <div class="details">
    <h3><a href="<?php the_permalink(); ?>"><?php the_title(); ?></a></h3>
    <h5>Date Posted: <?php echo date("F d, Y", strtotime(get_the_date())); ?></h5>
    <p><?php echo substr(get_the_excerpt(), 0, 100) . " ..."; ?></p>
    <p><a href="<?php the_permalink(); ?>">Read More</a></p>
  </div>
</li>

<?php
endwhile;

/* Pagination */
if (function_exists(custom_pagination)) {
  custom_pagination($loop->max_num_pages,"",$paged);
}
# Make sure to change $loop variable to your actual loop variable!!!!
/* Pagination */

wp_reset_postdata();
?>
################################## / example usage  ################################