文章内调用“历史上的今天”发布文章代码

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所属分类:WordPress

今天浏览到明月登楼的博客时,发现了一个非常实用的代码,那就是随机推荐文章,名曰“历史上的今天”,会调用之前在同一天发布的文章,可以扩展阅读,特此存入备用以及需要的朋友,感谢作者。

// 其它自定义代码加到此行下面
function wp_today(){
global $wpdb;
$post_year = get_the_time('Y');
$post_month = get_the_time('m');
$post_day = get_the_time('j');
$sql = "select ID, year(post_date_gmt) as h_year, post_title, comment_count FROM
$wpdb->posts WHERE post_password = '' AND post_type = 'post' AND post_status = 'publish'
AND year(post_date_gmt)!='$post_year' AND month(post_date_gmt)='$post_month' AND day(post_date_gmt)='$post_day'
order by post_date_gmt DESC limit 5";
$histtory_post = $wpdb->get_results($sql);
if( $histtory_post ){
foreach( $histtory_post as $post ){
$h_year = $post->h_year;
$h_post_title = $post->post_title;
$h_permalink = get_permalink( $post->ID );
$h_comments = $post->comment_count;
$h_post .= "<li><strong>$h_year:</strong>&nbsp;&nbsp;<a href='".$h_permalink."' title='".$h_post_title."' target='_blank'>$h_post_title($h_comments)</a></li>";
}
}
if ( $h_post ){
$result = "<h2>历史上文章推荐:</h2><ul>".$h_post."</ul>";
}
return $result;
}
function wp_today_auto($content){
if( is_single() ){
$content = $content.wp_today();
}
return $content;
}
add_filter('the_content', 'wp_today_auto',9999);

//历史上的今天,代码来自柳城博客的WP-Today插件