WordPress查詢分類前幾條

<?php 
//包括制定分類使用上面註釋下面2行
//$scat =  get_categories('include=1,2,3,4');
//獲得全部
$scat = get_categories('hide_empty=0');
foreach ($scat as $mx_cat) {
	$cat[$mx_cat->cat_ID] = $mx_cat->cat_name;
}
foreach ($cat as $category) { 
	$category_name = $category;
	$category_id = get_cat_ID( $category_name );
	$category_link = get_category_link( $category_id );
?>
<div class="cats" id="cats-index">
<h2 class="title">
	<a href="<?php echo ($category_link);?>" title="<?php echo ($category_name);?>"><?php echo ($category_name);?></a>
</h2>
<ul>
<?php 
$query = new WP_Query();
$query->query('caller_get_posts=1&posts_per_page=8&cat=' . $category_id);
if($query->have_posts()) : while ($query->have_posts()) : $query->the_post();
?>
	<li>
		<span class="date"><?php the_time('m-d');?></span>
		<a href="<?php the_permalink();?>"><?php the_title();?></a>
	</li>
<?php endwhile; else: ?>
	<li>暫無文章</li>
<?php endif;?>
<?php wp_reset_query();?>
</ul>
</div>
<?php } ?>