A flexible & easy-to-manage web server... Internet Information Services (IIS) for Windows® Server is a flexible, secure and manageable Web server for hosting anything on the Web. From media streaming to web applications, IIS's scalable and open architecture is ready to handle the most demanding tasks.
Zend Server, the Professional PHP Distribution with Advanced Value-add Capabilities
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
Zend Debug is a component that help the debugging of PHP applications. In particular it offers a static method Zend\Debug\Debug:dump() that prints or returns information about an expression. This simple technique of debugging is common because it is easy to use in an ad hoc fashion and requires no initialization, special tools, ...
UTF-8 (8-bit UCS/Unicode Transformation Format) is a variable-length character encoding for Unicode. It is the preferred encoding for web pages.