Скачать или смотреть How to Create Menu Bar Links in CodeIgniter 4: A Beginner’s Guide

Learn how to effectively create menu bar links in CodeIgniter 4, including essential code structure and route management to avoid 404 errors.
---
This video is based on the question https://stackoverflow.com/q/64641808/ asked by the user 'hari dran' ( https://stackoverflow.com/u/14547930/ ) and on the answer https://stackoverflow.com/a/64642825/ provided by the user 'marcogmonteiro' ( https://stackoverflow.com/u/2055393/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions.

Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: codeigniter 4 how to make menu bar links

Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l...
The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license.

If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com.
---
How to Create Menu Bar Links in CodeIgniter 4: A Beginner’s Guide

Are you a beginner in CodeIgniter looking to create menu bar links between different pages? If so, you've come to the right place. In this post, we will address a common issue that many new developers face: linking one page to another correctly in CodeIgniter 4. We will dive into both the problem and the solution, ensuring you can set up your navigation menu without frustration.

The Problem: Encountering 404 Errors

When linking to another page, you might find yourself facing a frustrating 404 - File Not Found error, which often indicates that the requested resource is unavailable. This can happen for various reasons, such as an incorrect URL or a misunderstanding of how CodeIgniter's routing functions.

For instance, here's a snippet of what you might attempt in your view page:

[[See Video to Reveal this Text or Code Snippet]]

However, despite including this code, you receive errors when trying to access these links. So, what’s going wrong here?

Understanding the Solution

1. Naming Your Controller Correctly

The first step to resolving the 404 error is ensuring that your links correctly reference the controller that houses the methods. If you have a controller named Site that contains the methods for rendering your views, your code structure should look something like this:

[[See Video to Reveal this Text or Code Snippet]]

This controller setup ensures that your CodeIgniter application knows exactly where to look when you click on your menu links.

2. Updating Your Links

Once you have your controller named correctly, update the links in your view page to include the controller's name. Your updated links should look like this:

[[See Video to Reveal this Text or Code Snippet]]

This change informs CodeIgniter which controller to access when loading the respective pages, preventing those pesky 404 errors.

3. Optional: Removing the Controller Name from URLs

If you prefer to have cleaner URLs without including the controller name, you can look into CodeIgniter's routing features. This allows you to define custom routes in the routing file, making your URLs even more user-friendly. To do this, you would modify your app/Config/Routes.php file accordingly to set up routes that fit your needs.

Final Thoughts

Creating menu bar links in CodeIgniter 4 doesn't have to be a challenging task. By following the steps outlined above, including properly naming your controller and updating your links, you'll avoid troublesome 404 errors and create a smooth navigation experience for your users. Should you wish to explore more advanced routing options, CodeIgniter offers robust features to help you customize your application further.

Happy coding, and enjoy building your web applications with CodeIgniter!