[PHP] Using HTTP Referer

Hello, All, I'm currently working on a problem which is in need of HTTP referer or the similar technique, but I couldn't seem to find any article or links which illustrate the idea, I tried $_SERVER['HTTP_REFERER'] but somehow it didn't work for me. Let me breifly explain what I did here: I have

[PHP] Problem with session handling with frameset.

Hello, Everyone, I'm having some problem with the session handling in my code, it's kind of hard to explain the whole problem but let me try. I currently have a login page login.php which will take user input for userid and passwd and check them against my backend PostgreSQL database, after the pa