I. Introduction: "Welcome to the world of PHP! If you're looking to build dynamic, interactive websites, PHP is a powerful and versatile language to have in your toolkit. In this post, we'll explore the fundamentals of PHP, its key features, and why it remains a popular choice for web development." II. What is PHP? "PHP (Hypertext Preprocessor) is a widely-used open-source scripting language that's especially suited for web development. 1 It's embedded directly into HTML, making it easy to create dynamic web pages. PHP code is executed on the server, generating HTML that's then sent to the user's browser." "Originally created by Rasmus Lerdorf in 1994, PHP has evolved into a robust language powering millions of websites worldwide." III. Key Features of PHP: Server-Side Scripting: "PHP code runs on the server, allowing you to interact with databases, handle form submissions, and generate dynamic content." Embedded in HTM...