Research Documentation 02-php.net
Downloads and Release Notes
This page shows the supported versions of PHP that are available for use. Each version of PHP is actively supported for 2 years, followed by 1 year of critical security support.
Documentation
There are both online and downloadable versions of their documentation, which are available in various languages. The PHP Manual begins by showing how to insall and configure PHP, introduces some basics of the language, and then dives into more advanced topics.
Get Involved
PHP has a dedicated community of contributors who maintain and develop its source code. PHP is an open-source language that encourages people to help in any way that they can.
Summary
PHP.net is the go-to resource for both beginners and seasoned developers. PHP is constantly being updated and supported for optimal performance and security.