其中nodeid是最新的，如果不是具有相同内容id的nodeid的标题副本

I write a php file to show last post from my database. I find last post but some last post have not title I want show last post and ech post that have not the title copy from post that have title and is same contentid.my database is larg. i prepare a pic that is example of my databaseI write a php file to show last post from my da