WordPress按帖子ID按数组中的确切顺序获取帖子

如何按帖子ID和数组中的顺序获取帖子？

我试过了：

<?php

$ids = array(548,555,587,583,585);

$my_query = query_posts(array('post__in' => $ids));

global $post;

foreach ($my_query as $post){
$posts_by_id[$post->ID] = $post;
}

foreach ($ids as $id)  {

if (!$post = $posts_by_id[$id]) continue;
setup_postdata($post);
//do something
echo '<p>TITLE: ';the_title();echo ' - ';the_ID(); '</p>';
the_content();

}

?>