WordPressで特定のカテゴリに属する最新記事を、子カテゴリ名とサムネイル付きで表示します。

<dl>
<?php
$cat = get_the_category();
$catname = $cat[0]->cat_name;
$catslug = $cat[0]->slug;
$current_cat = ''; foreach ( $cat as $cat ) { if ( ! $current_cat || cat_is_ancestor_of( $current_cat, $cat ) ) { $current_cat = $cat; } };
?>
<?php $categorys = array(40); for ($i=0; $i<count($categorys); $i++) : ?>
<?php query_posts('showposts=6&cat='.$categorys[$i]);  if (have_posts()) : while (have_posts()) : the_post(); ?>
<dd><a href="<?php echo get_category_link( $current_cat ); ?>"><?php echo $catname; ?></a>
<a href="<?php the_permalink(); ?>"><?php $image_id = get_post_thumbnail_id(); $image_url = wp_get_attachment_image_src($image_id, thumbnail); ?><img src="<?php echo $image_url[0]; ?>">></a></dd>
<dt><a href="<?php the_permalink(); ?>"><?php the_time('Y/m/d'); ?><?php the_title();?></a></dt>
<?php endwhile; ?>
<?php else: ?>
<dt>無し</dt>
<?php endif; ?>
<?php endfor; ?>
</dl>