在单曲开始循环之前。php，添加此代码以检查当前帖子与第五个最新发布日期的对比。如果当前帖子比第五篇更新，则显示该帖子，如果更旧，则显示与登录成员有关的消息。

global $post;
$tmp_post = $post; // Retain current post query

$fifth_post = \'\'; // Set variable

// Query for fifth post date
$args = array( \'numberposts\' => 1, \'offset\'=> 4 );
$fifthPost = get_posts( $args );
foreach( $fifthPost as $fifth ) : setup_postdata($fifth);
$fifth_post = get_the_date("Y-m-d");
endforeach;

// Restore current post
$post = $tmp_post;

$fifth_post = strtotime($fifth_post);
$this_post = date("Y-m-d");
$this_post = strtotime($this_post);

// Post is one of most recent 5, OR user is logged in
if ( $this_post > $fifth_post || is_user_logged_in() ) {
    // Begin regular loop
} else if (!is_user_logged_in() && $this_post < $fifth_post) {
    // Show whatever message to non-loggedin/non-members
}