PHP网站只在查询时传递特定信息

I'm having trouble trying to come up with a clever way to do what I need to do. Quite basically I have a general site, created by a custom build CMS editor, everything is fine. What I want to have happen, is when the user is in our CMS editor, via AJAX request in the background, it will quickly query the page the user is viewing and return back special instructions depending on the data that is received. Such as:I'm having trouble trying to come up with a cle