This is a repackaged open source software product wherein additional charges apply for technical support and maintenance by Apps4Rent. PHP is a general-purpose scripting language geared toward web development. PHP code is usually processed on a web server by a PHP interpreter implemented as a module, a daemon or as a Common Gateway Interface (CGI) executable. PHP is a widely-used, open source scripting language. PHP scripts are executed on the server. PHP is free to download and use.