Let’s pretend I’m trying to learn CI, and as my test project I am building a group-buying site.
What I’d like is to have a different page for each city, e.g.:
http://www.groupon.com/las-vegas/
http://www.groupon.com/orlando/
I’d also like to have different pages such as:
http://www.groupon.com/learn
http://www.groupon.com/contact-us
If I am building this in CI and following the MVC ideology, how would this work? I’m having difficulty seeing how to accomplish the desired URL’s with the concept of:
http://www.domain.com/controller/view/segment_a/segment_b/etc...
What I would do is create a custom 404 controller that acts as a catch-all for non-existent routes.
It would take the URI, possibly validate it, and re-route it to the (e.g.) “city” controller.
If the city controller can’t find the city (whatever string was specified), then it needs to issue a proper 404. Otherwise, you’re good to display your information for that city.
Also, once you create your custom 404 controller, you can send all 404 errors to it by specifying a route named ‘404_override’.