If you are working in the Codeigniter web application and you are getting some errors in your Codeigniter web application and you want to see that error, then for this you have to see the error reporting log. In this tutorial, you will learn how to check and view error reporting log in codeigniter 4.
By default, CodeIgniter 4 is configured to display errors on the screen. However, for a production environment, it is advisable to enable error logging to capture and store errors in log files. To enable error logging, open the app/config/app.php file and set the log_threshold value to a level that suits your needs. Available log levels are:
- 0 to disable error logging,
- 1 To log only fatal errors,
- 2 for logging errors and fatal errors,
- 3 and also for logging warnings
- 4 To log all messages
CodeIgniter 4 allows you to define the location where error logs should be stored. By default, error logs are stored in the writable /logs directory. To change this location, open the app/config/logger.php file and modify the logDirectory property according to your preferred location.
How to Check & Views Error Logs in CodeIgniter 4
Using the following methods, You can retrieve error logs from the log files programmatically or view them directly in a browser.
- Method 1: Programmatically Retrieving Error Logs
- Method 2: Viewing Error Logs in the Browser
Method 1: Programmatically Retrieving Error Logs
To retrieve error logs programmatically, you can use the Logger service. Inject the Logger class into your controller, model, or any other class where you want to access the logs, and utilize its methods like logError(), logCritical(), etc., to write custom error messages and retrieve the logs whenever necessary.
Method 2: Viewing Error Logs in the Browser
If you have set up the default error log location (writable/logs), you can access the log files directly through your browser by visiting the appropriate URL, such as http://example.com/writable/logs/log-{date}.log. Replace {date} with the specific log file date you want to view.
Conclusion
That’s all; In this tutorial, you have learned how to check and view error reporting log in codeigniter 4.
