I have been interested in PHP-FPM for some time and currently looking to various issues in it. It is basically a PHP FastCGI application that is consisting of a master process that is managing workers that execute PHP scripts.

Posts
PHP-FPM logger refactoring merged
7 July 2018
The refactoring of PHP-FPM logging has been merged and will be part of PHP 7.3.
Rewrite of PHP-FPM tests
12 June 2018
I have been interested in PHP-FPM for some time and currently looking to various issues in it. It is basically a PHP FastCGI application that is consisting of a master process that is managing workers that execute PHP scripts.
PHP-FPM logger refactoring
7 April 2017
I have started refactoring of zlog (internal FPM logger) to allow better handling of user output as it is also used for catching stdout and stderr from workers.