PHP (Hypertext Preprocessor) and HTML (Hypertext Markup Language) are two of the most commonly used coding languages for web development, but what sets them apart? PHP is a server-side scripting language that enables developers to build dynamic web applications, while HTML is a client-side markup language used to structure content on a web page. One of the biggest differences between HTML and PHP is that HTML cannot access databases like MySQL or PostgreSQL while PHP can, allowing developers to store data such as usernames and passwords securely. Additionally, PHP also supports various built-in functions which allow developers to perform complex tasks quickly and easily such as sending emails or generating PDF documents. Understanding how these two languages work together will help you become a more successful developer as you create amazing websites with ease!