... that term is appliedboth to the web browser and the computer on which it’s running.Between the client and the server there can be several other devices, such as routers,proxies, gateways, and ... to the PHPmodule, the most important for your purposes as a web programmer are the modulesthat handle security. Other examples are the Rewrite module, which enables the webserver to handle ... popular hasoften been debated, but PHP, MySQL, and Apache are the three most commonly usedtools in their categories.What can be said, though, is that being open source means that they have been...