destroy session after (x) page views?

[aebstract]

Is there a way to destroy a session after you've navigated, let's say, 2 pages?

 

example:

 

page1: set session

page2: session is set, showing info lala

page3: session is set, showing info lala, session destroyed

page4: no session

 

but pages 2 and 3 could be anywhere in the website, no specific route, just 2 random pages away.

[rhodesa]

create an include file, that is included on every page. have that include file increment a SESSION variable, and once it gets to the number you want, destroy the SESSION