Replacing Core Classes

[eluser]Unknown[/eluser]
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Found the bug report related to this topic.

https://bitbucket.org/ellislab/codeignit...ses-in-200

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Hello Everyone!

So I'm getting started with CI and noticed a few possible bugs with what the Documentation states and how CI operates.

All information is relative to this documentation page.

http://ellislab.com/codeigniter/user-gui...asses.html

First it states that the Controller class can be overwritten while the code and my testing has proving otherwise.

Line 226: system/core/CodeIngiter.php

Code:

// Load the base controller class
require BASEPATH.'core/Controller'.EXT;

The controller class is directly loaded from the system/core/Controller.php this makes it impossible to overwrite it in the application/core.php directory.

I have seen some complaints that files in the application/core directory are not loaded, I also have ran into this problem and it seems that this is the culprit.

As an example I created a application/core/URI.php to replace system/core/URI.php, giving the class the name CI_URI with a empty body.

Code:

class CI_URI {]

The problem

Line 128: system/core/Common.php

Code:

// Look for the class first in the native system/libraries folder
// thenin the local application/libraries folder
foreach (array(BASEPATH, APPPATH) as $path)

As the comment states it will first load native classes.

Replacing it with this

Code:

// Look for the class first in the native system/libraries folder
// thenin the local application/libraries folder
foreach (array(APPPATH, BASEPATH) as $path)

It works as expected.

As a note this for 2.0.2