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Fred Muya:
Configuring Custom Logging in Laravel 5
May 20, 2015 @ 08:22:36

Fred Muya has posted a guide to his site today showing you how to configure custom logging in your Laravel 5 application. He replaces the default logging methods with an injected Monolog instance.

I recently started working on a Laravel 5 project, and I'd like to share how I set up my custom file logging. I pooled the information below from several sources (acknowledged at the bottom of the article).

He walks through each step you'll need to configure the logging:

  • Overriding the bootstrap ConfigureLogging class (including the code needed)
  • Updating your composer.json to change up the PSR-4 autoloading
  • Modifying the Kernel.php file to update the constructor for the bootstrap (both HTTP and Console)

With these changes in place you can then use the normal "Log" handling Laravel provides and the magic will all happen behind the scenes. He includes two examples of this, one with a simple log string and another with something a bit more complex (and the resulting log output).

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Link: https://blog.muya.co.ke/configure-custom-logging-in-laravel-5/

SitePoint PHP Blog:
More Effective PHP Logging with Loggly
May 08, 2015 @ 11:54:13

The SitePoint PHP Blog has a new tutorial by Yones Rafie showing you how to log more effectively with Loggly, a remote log management service that's easy to connect to your PHP application. (Note: this post is sponsored by Loggly but it's still an interesting tool.)

When logging with PHP, we tend to use the error_log and trigger_error functions, or we can use an error handler to make the logging process more generic. [...] But what would you do if you had to log to multiple places at the same time, or you were sending logs to a given service depending on the error level? Rather than using built-in tools, it's often easier to use logging libraries.

They go on to talk about logging using a PSR-3 compliant logger and show how to integrate the Loggly service with your application via one of the most popular options, Monolog. The integration is made even easier by the fact that Monolog already comes with a LogglyHandler built-in. The post includes the code you'll need to implement the logger, how to integrate it with a Laravel application, setting it up on Heroku and and a tour of the Loggly features for filtering, searching and examples of the graphs showing query results. Loggly is free to try out, so you can see if it will work for your application before making the commitment.

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Link: http://www.sitepoint.com/effective-php-logging-loggly/

Rob Allen:
Logging errors in Slim 3
April 07, 2015 @ 10:57:36

Rob Allen continues his posts looking at the use of the Slim PHP framework with this new post about logging errors.

Slim Framework 3 is being actively developed at the moment and has a number of changes in it, including the use of the Pimple DI container and an overhaul of pretty much everything else! In this post, I'm going to look at error handling. The default error handler in Slim 3 is SlimHandlersError. It's fairly simple and renders the error quite nicely, setting the HTTP status to 500. I want to log these errors via monolog.

He includes the code to first set up the Monolog logger and inject it into the dependency injection container. Then he creates a custom error handler that extends the Slim handler but overrides the __invoke method to log the message in addition to displaying it. Finally he registers the error handler into the DI container as the "errorHandler" instance so Pimple correctly knows how to throw errors.

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Link: http://akrabat.com/logging-errors-in-slim-3/

Imagine Easy Solutions Blog:
Testing Logging in Silex
November 12, 2014 @ 11:34:50

On the Imagine Easy Solutions blog Yitzchak Schaffer talks some about logging in Silex by making use of a MonologServiceProvider. You can find the end result of his setup in this GitHub repository.

Silex is a PHP microframework from the same family as Symfony. My shop, Imagine Easy Solutions, uses Silex for some of our most important applications. Modular setup is at the core of Silex's game, by means of Service Providers. The MonologServiceProvider makes it easy to add highly configurable logging to your application. But how to test your logging? It turns out that this Service Provider includes a DebugHandler which you can use to make log entries available in array form.

He walks you through the integration of the service provider via a "debug handler" and configuring it in the setup method. He also includes an "assertLogEntry" method to evaluate the current logs and check to ensure an entry was made. Finally, he puts it to use via a "notOk" method.

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Link: http://dev.imagineeasy.com/post/102394035784/testing-logging-in-silex

Lorna Mitchell:
Logging to Stdout with Monolog
June 09, 2014 @ 09:08:10

Lorna Mitchell has a quick post today showing how you can use the popular Monolog logging library to log messages and data to stdout, the standard output stream of whatever is executing the script.

My worker scripts have really basic logging (as in, they echo when something happens, and I can see those in the supervisord logs). Which is kind of okay, but I wanted to at least add timestamps in to them, and maybe send emails when something REALLY bad happened. I'm a huge fan of Monolog so I grabbed that, but it wasn't immediately obvious which of the many and varied options I would need for this fairly simple addition. It turns out that the right thing to use is the ErrorLogHandler.

She includes a few lines of sample code that use the "ErrorLogger" to output the message. It includes the log level, a timestamp, the message itself and any additional contextual information you pass in.

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Link: http://www.lornajane.net/posts/2014/logging-to-stdout-with-monolog

Liip Blog:
New in Symfony 2.4 Show logs in console
August 21, 2013 @ 10:53:44

On the Liip blog they've shared a new post from Tobias Schultze about a new feature that will be in the 2.4 release of the popular Symfony framework - the ability to show log messages in console output.

When you want to output text to the console you usually used the OutputInterface instance that is passed when your command gets executed. But there are two problems: it's cumbersome to print information depending on the verbosity settings and if the service you call also wants to give feedback you would need to pass on the $output. [...] To solve these [two problems] I thought it would be much easier to rely on the logger which is highly related. So I added integration between Symfonys Console Component and Symfonys logging library Monolog in PR #8167.

This gives you a new handler, the ConsoleHandler, that makes it easier to just write out based on console events instead of just appending to the output. It includes switches for verbosity levels too. He shows how to implement it in your application, configuring it through the YAML config both in the service and under the Monolog settings as a handler.

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Link: http://blog.liip.ch/archive/2013/08/20/new-in-symfony-2-4-show-logs-in-console.html

Sameer Borate:
Debugging Laravel with MonoLog and FirePHP
June 07, 2013 @ 09:08:37

Sameer Borate has a new post to his site showing you how to debug a Laravel application with Monolog and FirePHP.

By default, Laravel is configured to create daily log files for your application, and are stored in app/storage/logs. All Laravel logging features are handled by the wonderful MonoLog library. Monolog includes various log handlers you can use - FirePHP, ChromePHP, CouchDB, Stream and many more. One of my favorites is FirePHP while debugging PHP apps.

Getting Monolog to write out to FirePHP is pretty easy and he includes the sample code to make it happen - basically pushing a "FirePHPHandler" into the Monolog instance and using it from there.

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Link: http://www.codediesel.com/laravel/debuggin-laravel-with-monolog-and-firephp

PHPMaster.com:
Logging with PSR-3 to Improve Reusability
February 07, 2013 @ 10:22:26

On PHPMaster.com Patrick Mulvey has written up a new tutorial looking at using the PSR-3 logging structure to make a basic logger for your application.

Logging is one of the most ubiquitous tasks encountered in PHP. We use logs to track error messages, record important events, and debug problems with our code. In any PHP project, the code is likely to be full of calls to a logging library which handles these actions for us. [...] To promote compatibility between logging libraries, the PHP-FIG group recently released PRS-3, a common interface for logger objects. In this article, I'll discuss how the logger interface defined by PSR-3 allows us to write reusable code that isn't dependent on any particular logging implementation.

He includes a quick introduction to the PSR-3 format, how to get the files you'll need to use it (via Composer). He includes some sample code showing how to make the basic email class with a logger injected for use. Since the Monolog logging project follows the PSR-3 format, it's an easy drop-in option. He also talks about using PSR-3 to avoid having logger dependencies with the "LoggerInterface". There's also a bit at the end of the tutorial showing you how to use the Adapter design pattern to "proxy" the logging calls to the class via a PSR-3 interface.

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Jeremy Cook:
Turbocharging your Logs
October 03, 2012 @ 10:07:30

In a new post to his site Jeremy Cook introduces you to Graylog2, a logging server that can aggregate messages from multiple sources/feeds into one consolidated location.

Graylog stores them in a database and allows you to perform custom searches on them. You can also see in real time how many log messages are being received and processed. The real killer feature in Graylog is streams. A stream in Graylog is a predefined custom search. The server will display to you log messages that only match the stream criteria selected, graphing the results for you.

He mentions other features of the Graylog2 system including customized alerts, messaging via UDP/AMQP and how it uses MongoDb and ElasticSearch. He also introduces Monolog, a PHP tool that lets you log in multiple formats directly to the Graylog2 server. He includes an example of how it works with a sample "LoggingHelper" added as custom exception and error handlers.

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