If you are building rich AJAX applications with CodeIgniter, you may encounter that traditional debug utilities may not be suitable for debugging tasks that involve AJAX function calls.

Firebug addon with its FirePHP plugin can enhance your debugging process.

In addition, FireIgnition has been created to support FirePHP in CodeIgniter. FireIgnition allows you to see log messages and special messages on the fly, using Firefox.

Resources & Tutorials:

• FireIgnition at CodeIgniter’s wiki.
• Setting up FirePHP with CodeIgniter.
• Debugging a CodeIgniter application with FirePHP.

Related posts:

1. Learning CodeIgniter PHP Framework
2. CodeIgniter and AJAX using jQuery