PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
PHP is an HTML-embedded scripting language. Much of its syntax is borrowed from C, Java and Perl with a couple of unique PHP-specific features thrown in. The goal of the language is to allow web developers to write dynamically generated pages quickly.
Download: PHP 5.3.2
Download: PHP Development builds
Download: PHP 6.0 Beta