wp rlated post query
function example_cats_related_post() {
$post_id = get_the_ID();
$cat_ids = array();
$categories = get_the_category( $post_id );
if(!empty($categories) && !is_wp_error($categories)):
foreach ($categories as $category):
array_push($cat_ids, $category->term_id);
endforeach;
endif;
$current_post_type = get_post_type($post_id);
$query_args = array(
'category__in' => $cat_ids,
'post_type' => $current_post_type,
'post__not_in' => array($post_id),
'posts_per_page' => '3',
);
$related_cats_post = new WP_Query( $query_args );
if($related_cats_post->have_posts()):
while($related_cats_post->have_posts()): $related_cats_post->the_post(); ?>
<ul>
<li>
<a href="<?php the_permalink(); ?>">
<?php the_title(); ?>
</a>
<?php the_content(); ?>
</li>
</ul>
<?php endwhile;
// Restore original Post Data
wp_reset_postdata();
endif;
}