Tema yazı içeresine bunlarda ilginizi çekebilir nasıl yaparız

https://wordpress.org/plugins/yet-another-related-posts-plugin/

https://www.google.com.tr/search?q=wordpress+benzer+yaz%C4%B1lar

https://www.yakuter.com/wordpresste-eklenti-kullanmadan-benzer-yazilari-gosterin/

https://www.yakuter.com/wordpresste-eklenti-kullanmadan-benzer-yazilari-gosterin/

<?php
$categories = wp_get_post_category($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, // Number of related posts that will be shown.
        'caller_get_posts'=>1
    );
    $my_query = new wp_query($args);
    if( $my_query->have_posts() ) {
        echo '<h3>Related Posts</h3><ul>';
        while ($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 '</ul>';
    }
}
?>