related posts snippets

another_widget

<div class="relatedposts">
    <h3>Related posts</h3>
<?php
global $post;
setup_postdata( $post );
echo "Post's ID: " . get_the_ID();
?>
    <?php
        $orig_post = $post;
        global $post;
        $tags = wp_get_post_tags($post->ID);
 
        if ($tags) {
            $tag_ids = array();
        foreach($tags as $individual_tag) $tag_ids[] = $individual_tag->term_id;
            $args=array(
                'tag__in' => $tag_ids,
                'post__not_in' => array($post->ID),
                'posts_per_page'=>4, // Number of related posts to display.
                'ignore_sticky_posts'=>1
            );
 
        $my_query = new wp_query( $args );
 
        while( $my_query->have_posts() ) {
            $my_query->the_post();
        ?>
 
        <div class="relatedthumb">
            <a rel="external" href="<? the_permalink()?>"><?php the_post_thumbnail(array(150,100)); ?><br />
            <?php the_title(); ?>
            </a>
        </div>
 
        <?php }
        }
        $post = $orig_post;
        wp_reset_query();
        ?>
    </div>

gistfile1.txt

<?php
      //for use in the loop, list 5 post titles related to first tag on current post
      $tags = wp_get_post_tags($post->ID);
      if ($tags) {
      echo '<h2 class="display">Related posts</h2>';
      $first_tag = $tags[0]->term_id;
      $args=array(
      'tag__in' => array($first_tag),
      'post__not_in' => array($post->ID),
      'posts_per_page'=>8,
      'ignore_sticky_posts'=>1
      );
      $my_query = new WP_Query($args);
      if( $my_query->have_posts() ) {
      while ($my_query->have_posts()) : $my_query->the_post(); ?>
      <div class="related-thumb">
      <a rel="external" href="<? the_permalink()?>">
        <h2><?php the_title(); ?></a></h2>
      </div>
      <?php
      endwhile;
      }
      wp_reset_query();
      }
    ?>

widget

<!-- You may also like related posts -->
<div class="row related-posts-after-content">
  <h2 class="display col-md-12">You Might Also Like</h2>
<?php
global $post;
setup_postdata( $post );
echo "Post's ID: " . get_the_ID();
?>
  <?php
    $orig_post = $post;
    global $post;
    $tags = wp_get_post_tags($post->ID);
    if ($tags) {
    $tag_ids = array();
    foreach($tags as $individual_tag) $tag_ids[] = $individual_tag->term_id;
    $args=array(
    'tag__in' => $tag_ids,
    'post__not_in' => array($post->ID),
    'posts_per_page'=>8, // Number of related posts to display.
    'ignore_sticky_posts'=>1
    );

    $my_query = new wp_query( $args );
    while( $my_query->have_posts() ) {
    $my_query->the_post();
  ?>

  <div class="col-md-12 related-thumb">
    <h2><a rel="external" href="<? the_permalink()?>">
      <?php the_title(); ?></a></h2>
  </div>
  <?php }
  }
  $post = $orig_post;
  wp_reset_query();
  ?>
</div>
<!-- End of you may also like related posts -->