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Informations about the package analog

Analog - Minimal PHP logging library

A minimal PHP logging package based on the idea of using closures for configurability and extensibility. It functions as a static class, but you can completely control the writing of log messages through a closure function (aka anonymous functions), or use the Analog\Logger wrapper that implements the PSR-3 specification.


Install the latest version with:


Basic Usage

Usage with PSR-3

Usage with a custom handler

Usage without composer

Analog uses a simple autoloader internally, so if you don't have access to composer you can clone this repository and include it like this:

For more examples, see the examples folder.

Logging Options

By default, this class will write to a file named sys_get_temp_dir() . '/analog.txt' using the format "machine - date - level - message\n", making it usable with no customization necessary.

Analog also comes with dozens of pre-written handlers in the Analog/Handlers folder, with examples for each in the examples folder. These include:

So while it's a micro class, it's highly extensible and very capable out of the box too.


I wrote this because I wanted something very small and simple like KLogger, and preferably not torn out of a wider framework if possible. After searching, I wasn't happy with the single-purpose libraries I found. With KLogger for example, I didn't want an object instance but rather a static class, and I wanted more flexibility in the back-end.

I also found some that had the flexibility also had more complexity, for example Monolog is dozens of source files (not incl. tests). With closures, this seemed to be a good balance of small without sacrificing flexibility.

What about Analog, the logfile analyzer? Well, since it hasn't been updated since 2004, I think it's safe to call a single-file PHP logging class the same thing without it being considered stepping on toes :)

Requires psr/log Version ^1.0.1
php Version >=7.2

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