How to Create Custom Log File in Laravel 8 Tutorial

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Inside this article we will see how to create custom log file in laravel 8. We can easily track errors on files after looking into log file. Log files are those files in which application status like errors, information, warnings, etc stored. Log files help application developer to debug applications.

This tutorial will help you to log custom application status into custom log file for your laravel application. You can store any log type messages like of errors, warnings, etc.

Laravel by default provide /storage/logs/laravel.log file location where it stores application logs. But sometime we may need to create log file with specific task. For example, if someone works with payment task and need all logs at a fixed place, so this article will help you.

Also for maintaining logs we have a composer package which exactly do the same thing what we are discussing. Click here to learn about LogViewer package and it’s working.

Learn More –

Let’s get started.


Laravel Installation

We will create laravel project using composer. So, please make sure your system should have composer installed. If not, may be this article will help you to Install composer in system.

Here is the command to create a laravel project-

$ composer create-project --prefer-dist laravel/laravel blog

To start the development server of Laravel –

$ php artisan serve

URL: http://127.0.0.1:8000

Assuming laravel already installed inside your system.


Add Custom Log Settings

Open logging.php file from /config folder.

Inside logging.php search for channels.

Inside channels array, add your settings for custom log.

'channels' => [

       ...       

       'webtutorlog' => [
            'driver' => 'single',
            'path' => storage_path('logs/applicationlog.log'),
            'level' => 'info',
        ],

],

webtutorlog is channel name. applicationlog.log is custom log file name where we will store our custom log messages.

storage_path(‘logs/applicationlog.log’) It returns path as /storage/logs/applicationlog.log


Create Test Logs

Open web.php from /routes folder. Add this route into it.

//...

Route::get('create-log', function () {
  
    \Log::channel('webtutorlog')->info('This is info log level for testing');
    \Log::channel('webtutorlog')->warning('This is warning log level for testing');
    \Log::channel('webtutorlog')->error('This is error log level for testing');
    \Log::channel('webtutorlog')->alert('This is alert log level for testing');
    \Log::channel('webtutorlog')->emergency('This is emergency log level for testing');
    \Log::channel('webtutorlog')->notice('This is notice log level for testing');
    
    dd('done');
     
});

//...

Application Testing

Open project to terminal and type the command to start development server

$ php artisan serve

URL – http://127.0.0.1:8000/create-log

You will get applicationlog.log file inside /storage/logs folder. When you open, you should see these lines added into it.

[2021-09-18 13:19:19] local.INFO: This is info log level for testing  
[2021-09-18 13:19:19] local.WARNING: This is warning log level for testing  
[2021-09-18 13:19:19] local.ERROR: This is error log level for testing  
[2021-09-18 13:19:19] local.ALERT: This is alert log level for testing  
[2021-09-18 13:19:19] local.EMERGENCY: This is emergency log level for testing  
[2021-09-18 13:19:19] local.NOTICE: This is notice log level for testing  

We hope this article helped you to learn How to Create Custom Log File in Laravel 8 Tutorial in a very detailed way.

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