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A PHP web script is a computer program written using the PHP (Hypertext Preprocessor) programming language that runs on a web server to generate dynamic web content. PHP is a widely used, open-source scripting language especially suited for web development and can be embedded directly into HTML.
How PHP Web Scripts Work
When a user visits a web page that uses a PHP script, the web server processes the PHP code before sending the resulting HTML output to the user's web browser. This means the user never sees the actual PHP code—only the output it produces, such as customized web pages, forms, or data retrieved from a database.
Common Uses of PHP Web Scripts
Creating interactive websites
Processing form data
Managing user authentication and sessions
Accessing and displaying information from databases (like MySQL)
Building content management systems (CMS) such as WordPress
Example of a Simple PHP Web Script
Here is a basic example of a PHP script that displays a message: When this script runs on a server, it outputs “Hello, World!” to the browser.
Key Points
PHP scripts are executed on the server, not in the user's browser.
They are used to create dynamic and interactive web pages.
PHP is compatible with many types of databases and can be integrated with HTML, CSS, and JavaScript.
Mon - Jan 12, 2026
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