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Editorial Team
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Asked: 2026-06-07T13:16:53+00:00

I’m trying to work with CodeIgniter these days. By default it has the index.php

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I’m trying to work with CodeIgniter these days.

By default it has the index.php in URI like this

http://www.example.com/index.php/home

home is a function inside a controller

But I don’t want the index.php so I created the .htaccess file:

Allow from all
RewriteEngine On
RewriteBase /

RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d

RewriteCond $1 !^(index\.php|img|robots\.txt|script|css)
RewriteRule ^(.*)$ index.php/$1 [L]

Basically it adds “index.php” automatically except when the conds are matched.

However here’s the thing:
For URI like this: http://www.example.com/home
Everything works fine.

For URI like this: http://www.example.com/home/
Then the relative links in my webpage goes wild.
For example:
css/common.css was redirected to index.php/home/css/common.css resulting in the css file was not found.

Logs are like this:

strip per-dir prefix: [dir to my site]/home/css/common.css -> home/css/common.css
applying pattern '^(.*)$' to uri 'home/css/common.css'
rewrite 'home/css/common.css' -> 'index.php/home/css/common.css'
add per-dir prefix: index.php/home/css/common.css -> [dir to my site]/index.php/home/css/common.css
trying to replace prefix [dir to my site]/ with /
internal redirect with /index.php/home/css/common.css [INTERNAL REDIRECT]
add path info postfix: [dir to my site]/index.php -> [dir to my site]/index.php/home/css/common.css
strip per-dir prefix: [dir to my site]/index.php/home/css/common.css -> index.php/home/css/common.css
applying pattern '^(.*)$' to uri 'index.php/home/css/common.css'
pass through [dir to my site]/index.php

How can I fix this?

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1 Answer

  1. Editorial Team

    The problem here is not your rewrite rules – they are fine. What’s happening is that the browser thinks /home/ with a slash at the end is a real directory, so it prefixes all relative links to the directory it thinks it’s in. The browser then dashes off a request for the CSS file, with path /home/css/common.css, which, naturally, gets rewritten since it doesn’t match your check.

    The quickest solution I see here is to use absolute paths for CSS files. Just link them as /css/common.css instead of the relative links you have now.

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