0 Monolog is a full and easy to expand log log library under php. There are many well-known php frameworks including Symfony, Laravel, CakePHP and so on that have Monolog built in. Monolog can send your logs to files, sockets, inboxes, databases and various web services.
Monolog follows the PSR3 interface specification and can be easily replaced with other log classes that follow the same specification. Monolog has good extensibility. Through the interfaces Handler, Formatter and Processor, you can expand and customize the Monolog library.