(Ähnliche Beiträge) Problem!

<?php get_header() ?>


    <div id="container">
        <div id="content">


<?php the_post(); ?>


            <div id="post-<?php the_ID(); ?>">
                <h2 class="entry-title"><a href="<?php the_permalink() ?>" title="<?php printf(__('Permalink to %s', 'sandbox'), wp_specialchars(get_the_title(), 1)) ?>" rel="bookmark"><?php the_title() ?></a></h2>
                <div class="entry-meta">
                    <span class="author vcard"><?php printf(__('Posted by %s on ', 'sandbox'), '<a class="url fn n" href="'.get_author_link(false, $authordata->ID, $authordata->user_nicename).'" title="' . sprintf(__('View all posts by %s', 'sandbox'), $authordata->display_name) . '">'.get_the_author().'</a>') ?></span><abbr class="published" title="<?php the_time('Y-m-d\TH:i:sO'); ?>"><?php unset($previousday); printf(__('%1$s – %2$s', 'sandbox'), the_date('', '', '', false), get_the_time()) ?></abbr>
                </div>
                <div class="entry-categ">
                    <span class="cat-links"><?php printf(__('Filed under %s', 'sandbox'), get_the_category_list(', ')) ?></span>
                </div>
                <div class="entry-content">
<?php the_content(''.__('Read More <span class="meta-nav">&raquo;</span>', 'sandbox').''); ?>
<?php wp_link_pages("\t\t\t\t\t<div class='page-link'>".__('Pages: ', 'sandbox'), "</div>\n", 'number'); ?>
                </div>
                <div class="entry-footer">
                    <?php printf(__('<a href="%1$s" title="Permalink to %2$s" rel="bookmark">Permalink</a><span>|</span><a href="%3$s" title="Comments RSS to %2$s" rel="alternate" type="application/rss+xml">Comments RSS Feed</a> <span>-</span>', 'sandbox'), get_permalink(), wp_specialchars(get_the_title(), 'double'), comments_rss() ) ?>
                    
<?php if (('open' == $post-> comment_status) && ('open' == $post->ping_status)) : // Comments and trackbacks open ?>
                    <?php printf(__('<a class="comment-link" href="#respond" title="Post a comment">Post a comment</a><span>|</span><a class="trackback-link" href="%s" title="Trackback URL for your post" rel="trackback">Trackback URL</a>.', 'sandbox'), get_trackback_url()) ?>
<?php elseif (!('open' == $post-> comment_status) && ('open' == $post->ping_status)) : // Only trackbacks open ?>
                    <?php printf(__('Comments are closed<span>|</span><a class="trackback-link" href="%s" title="Trackback URL for your post" rel="trackback">Trackback URL</a>.', 'sandbox'), get_trackback_url()) ?>
<?php elseif (('open' == $post-> comment_status) && !('open' == $post->ping_status)) : // Only comments open ?>
                    <?php printf(__('Trackbacks are closed<span>|</span><a class="comment-link" href="#respond" title="Post a comment">post a comment</a>.', 'sandbox')) ?>
<?php elseif (!('open' == $post-> comment_status) && !('open' == $post->ping_status)) : // Comments and trackbacks closed ?>
                    <?php _e('Both comments and trackbacks are currently closed.') ?>
<?php endif; ?>


                </div>
            </div><!-- .post -->


<?php comments_template(); ?>


        </div><!-- #content -->
    </div><!-- #container -->


<?php get_sidebar() ?>
<?php get_footer() ?>

<?php
$tags = wp_get_post_tags($post->ID);
if ($tags) {
  echo 'Related Posts';
  $first_tag = $tags[0]->term_id;
  $args=array(
    'tag__in' => array($first_tag),
    'post__not_in' => array($post->ID),
    'showposts'=>5,
    'caller_get_posts'=>1
   );
  $my_query = new WP_Query($args);
  if( $my_query->have_posts() ) {
    while ($my_query->have_posts()) : $my_query->the_post(); ?>
      <p><a href="<?php the_permalink() ?>" rel="bookmark"
      title="Permanent Link to <?php the_title_attribute(); ?>">
      <?php the_title(); ?></a></p>
      <?php
    endwhile;
  }
}
?>