WordPress 提醒访客上次来访后更新的文章

/**

    *WordPress 提醒访客上次来访后更新的文章

    *https://www.weixiaoduo.com/visitor-new-posts-highlight/

*/

functionBing_lastvisit_the_title($title,$id){

    if(!in_the_loop()||is_singular()||get_post_type($id)=='page')return$title;

    $cookiename=COOKIEHASH.'_lastvisit';

    if(!isset($_COOKIE[$cookiename])||empty($_COOKIE[$cookiename]))return$title;

    $lastvisit=$_COOKIE[$cookiename];

    $publish_date=get_post_time('U',true,$id);

    if($publish_date>$lastvisit)$title.='（新）';

    return$title;

}

add_filter('the_title',  'Bing_lastvisit_the_title',12,2);

//设置 Cookie

functionBing_lastvisit_set_cookie(){

    if(is_admin())return;

    $current=current_time('timestamp',1);

    setcookie(COOKIEHASH.'_lastvisit',$current,time()+60+60*24*7,COOKIEPATH,COOKIE_DOMAIN);

}

add_action('init','Bing_lastvisit_set_cookie');