How to replace underscores in codeigniter url with dashes?

Question

I would like to know the simplest solution to changing the underscores of my codeigniter urls to dashes, for seo reasons.

My controllers look like:

publi         


        

Answer 1

It really depends on your intention. If you just want to change only one page, then devrooms' solution is the perfect one indeed:

$route['request-guide'] = "request_guide";

But if you want to make this your website's default behavior you should extend your core Router class like this (source: [Using hyphens instead of underscores in CodeIgniter])

1. Make a new file in 'application/core' and name it 'MY_Router.php'

2. Insert this code in it:
   

UPDATE (Oct 26, 2015): There's a better way to do this in CodeIgniter 3, as @Thomas Wood mentioned:

$route['translate_uri_dashes'] = TRUE;