Description:

Monolog sends your logs to files, sockets, inboxes, databases and various web
services. Special handlers allow you to build advanced logging strategies.

This library implements the PSR-3 [1] interface that you can type-hint against
in your own libraries to keep a maximum of interoperability. You can also use it
in your applications to make sure you can always use another compatible logger
at a later time.

Optional:
* php-aws-sdk (>= 2.4.9, < 3.0)
Allow sending log messages to AWS DynamoDB
* php-pecl-amqp
Allow sending log messages to an AMQP server (1.0+ required)
* php-pecl-mongo
Allow sending log messages to a MongoDB server
* php-Raven (>= 0.5, < 1.0)
Allow sending log messages to a Sentry server
* https://github.com/doctrine/couchdb-client
Allow sending log messages to a CouchDB server
* https://github.com/Graylog2/gelf-php
Allow sending log messages to a GrayLog2 server
* https://docs.newrelic.com/docs/php/new-relic-for-php
Allow sending log messages to a New Relic application
* https://github.com/rollbar/rollbar-php
Allow sending log messages to Rollbar
* https://github.com/ruflin/Elastica
Allow sending log messages to an Elastic Search server

[1] https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-3-logger-interface.md