In addition to HTML, other markup languages support the use of CSS including XHTML, plain XML, SVG, and XUL.
With Php, you can add unlimited additional features to your Website or Web Page, such as Forms, Sliders, Galleries, Posts and even Chatrooms.
The frontend is the content management application. It enables writers, editors, and project managers to work seamlessly without the need to code. The backend is the content delivery application, which is used for publishing and displaying the content in various formats based on the CMS.
Web Development and Content Management Systems Rely on PhP, HTML, Javascript, MySQL and CSS to function. These are the most common languages in modern Web Development.