index.php in the top directory is the only way in of the application, you should rewrite all request to it. (You can use .htaccess in Apache + php_mod)

This will rewrite your URLs to »index.php?q=foo/bar/baz« transparently. The 2. and 3. lines tell the rewrite engine not to rewrite the URL if it points to an existing file or directory.

Oct 4, 2011 · I'm writing a simple method to map routes to files and I've come across two ways to do it. The first, and I guess used by most frameworks, is using the $_SERVER['REQUEST_URI'] variable …

Just to make sure I understand your question correctly: you want to redirect every request to the root index.php or you want to redirect every request made to that specific folder's index.php?

This works fine, and the end result of this is that all paths not pointing directly to the root (such as 'example.com/subdir1' and 'example.com/subdir1/subdir2') gets rewritten to index.php?q= [path].

In one of my pet projects, I redirect all requests to index.php, which then decides what to do with it:

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Nov 17, 2021 · There are three perfectly acceptable solutions. Two are listed in your question, and the third is to replace try_files with rewrite ^ /index.php last; which does the same thing. What is optimum …