如何设置PHP控制器

Question

Im giving support to an already deployed php application, but the way it works is new to me, and I have no idea how it does what it does.

Basically, a php method is called using a path-like syntax to retrieve data, for example:

<?php
// .....
$json = Request("http://_server/myfolder/abc/default/mymethod?data=something");
// Now $json var has some information.
?>

The odd thing is how methods are structured. Up to folder 'myfolder' physical path exists in linux 'server', you know ".../apache/htdocs/myfolder/" but thats IT. Further than that, physical location of code is within a different folder structure where default/mymethod matches NO folders at all.

By digging deeper, I found that mymethod corresponds to the PHP method located in:

apache/htdocs/myfolder/protected/modules/abc/controllers/defaultcontroller.php

And inside defaultcontroller.php there is something like this:

<?php
// ....
Class DefaultController {
    // ....
    Public Function actionmymethod { // Notice the name of mymethod has 'action'
        // more code
        return $response;
    }
}
?>

Im 100% sure that method is fired when running the Request call, but my I dont know how it is done.

My question is:

How the setup of this is done? There must be some place where you relate:

"http://_server/myfolder/abc/default/mymethod" with "actionmethod"

but where and how?

I need to make a copy of this running, so I can call my copy with something like this:

"http://_server/FOLDERCOPY/myfolder/abc/default/mymethod" 

I already made a copy to the new structure, but when calling it, server cant find the new method/path :(

EDIT*** I found this in htaccess located at /myfolder/

RewriteEngine on
RewriteBase /myfolder/ 

# if a directory or a file exists, use it directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d 

# otherwise forward it to index.php
RewriteRule . index.php

I modified the copy inside /FOLDERCOPY/myfolder, but it seems is not working :(

RewriteEngine on
RewriteBase /FOLDERCOPY/myfolder/ 

# if a directory or a file exists, use it directly
RewriteCond %{REQUEST_FILENAME} !-f
RewriteCond %{REQUEST_FILENAME} !-d 

# otherwise forward it to index.php
RewriteRule . index.php

Thanks

Answer 1

Not every url is mapped 1:1 to the server's filesystem.

Apparently, there should be a php script inside .../apache/htdocs/myfolder/, most probably an index.php. There should also be some rewrite rules, probably in a .htaccess file, that translate urls under http://_server/myfolder to that script, tranforming the remaining part to parameters (either a query_string or a path_info).

From this point on, php takes over. The structure implies the existence of an MVC framework. This framework appears to support modules, one of them being abc, whose default controller's mymethod method is called to handle the request. So the url structure is like this:

http://server/site/module/controller/method?params

Look for a config file under .../apache/htdocs/myfolder/ (config.php?). It will contain rules as to the modules' location and the mappings (routing) to controllers. Then again, there may be a global site config, as well as one for each module...