<?php if ( is_single() ) { ?>
Gözükecek kod.
<?php } else { } ?>

<?php if ( is_single() ) { ?>



<?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, // Gösterilecek benzer yazı sayısı
      'caller_get_posts'=>1
   );
         
        $my_query = new wp_query($args);
   if( $my_query->have_posts() ) {
      echo '<h3>Benzer yazılar</h3><ul>';
      while ($my_query->have_posts()) {
         $my_query->the_post();
      ?>
         <li><a href="<?php the_permalink() ?>" rel="bookmark" title="<?php the_title_attribute(); ?>"><?php the_title(); ?></a></li>
      <?php
      }
      echo '</ul>';
   }
wp_reset_query();
}
?>


<?php } else { } ?>