<?
require_once('wp-load.php');

// Standalone test harness 

// Set test post ID
$post_id = 411022;

// Get related setting
$related_setting = get_field('use_related', $post_id);

// Get tags 
$tags = wp_get_post_terms($post_id, 'post_tag');

// Query args
$args = [
  'posts_per_page' => 10,
  'post__not_in' => [$post_id],
  'orderby' => 'rand',
  'post_type' => 'podcast',
  'tax_query' => ['terms' => $tags],
];

// Get related posts
$posts = new WP_Query($args);

// Output results   
echo 'Related Setting: ' . $related_setting;

echo 'Tags: ';
print_r($tags);   

if($posts->have_posts()) {

  while($posts->have_posts()) {

    $posts->the_post();
    
    echo get_the_title();
      
    $post_tags = get_the_terms(get_the_ID(), 'post_tag');
    
    echo 'Tags: ';
    print_r($post_tags);    
    
  }

} else {
  
  echo 'No related posts found';
  
}

wp_reset_postdata();