PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try the introductory tutorial. After that, check out the online manual, and the example archive sites and some of the other resources available in the links section.
PHP v5.6.40 – Updated 2020-12-13
PHP v5.6.12 – updated 2015-08-10
PHP v5.6.1 – updated 2014-10-06