How to Enable and Disable Error Log in CodeIgniter 4

How to Enable and Disable Error Log in CodeIgniter 4

In CodeIgniter 4, error reporting is a crucial feature that allows developers to track errors and exceptions that occur within their applications. By default, error logging is disabled, but you can enable it through a simple configuration change. This guide will walk you through the process of enabling and disabling error logs in your CodeIgniter 4 application.

Steps to Enable and Disable Error Reporting Log

Enabling Error Reporting Logging

To enable error logging in CodeIgniter 4, follow these steps:

  1. Open the Configuration File

    • Navigate to the app/Config/Logger.php file in your CodeIgniter 4 application.
    • Open this file in a text editor.
  2. Set the Log Threshold

    • Locate the $threshold property in the Logger class. By default, this is set to 0, which means logging is disabled.
    • Change the value of $threshold to a higher number to enable logging. The values represent different levels of logging:
      • 1 – Logs only critical errors.
      • 2 – Logs critical errors and warnings.
      • 3 – Logs critical errors, warnings, and notices.
      • 4 – Logs all errors, warnings, notices, and info messages.

     

Example:

public $threshold = 4;
  1. Save the Configuration File

    • Save your changes to the Logger.php file.

After these steps, any errors occurring in your application will be logged to the writable/logs directory.

Disabling Error Reporting Logging

If you need to disable error logging in CodeIgniter 4, you can revert the log threshold to 0. Here’s how:

  1. Open the Configuration File

    • Navigate to the app/Config/Logger.php file in your application.
    • Open this file in a text editor.
  2. Set the Log Threshold

    • Locate the $threshold property in the Logger class.
    • Change the value of $threshold to 0 to disable logging.

Example:

public $threshold = 0;
  1. Save the Configuration File

    • Save your changes to the Logger.php file.

With these changes, error logging will be disabled, and no new error logs will be written to the writable/logs directory.

Conclusion

In this tutorial, we have shown you how to enable and disable error logging in CodeIgniter 4. Proper error logging is essential for debugging and maintaining the stability of your application. Adjusting the log threshold allows you to control the level of detail you want to capture in your logs, helping you to effectively monitor and manage your application’s health.

Writing by Kanha Jatthap / Development Query

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