This snippet display WordPress related posts without any plugin based on categories. Now paste the snippet in single.php after .
<?php
$categories = get_the_category($post->ID);
if ($categories) { $category_ids = array();
foreach($categories as $individual_category)
$category_ids[] = $individual_category->term_id;
$args=array(
'category__in' => $category_ids,
'post__not_in' => array($post->ID),
'showposts'=>5, // Corresponds to Number of related posts to be shown.
'caller_get_posts'=>1
);
$my_query = new wp_query($args);
if( $my_query->have_posts() ) {
echo '<h3>Related Articles</h3><ol>';
while ($my_query->have_posts()) {
$my_query->the_post();?><li><a href="<?php the_permalink() ?>"
rel="bookmark" title="Permanent Link to <?php the_title_attribute(); ?>"><?php the_title(); ?></a></li><?php }
echo '</ol>'; } } $post = $backup; wp_reset_query();
?>