PHP (Hypertext Preprocessor) is a popular server-side scripting language used for web development. It is primarily used to create dynamic web pages and applications. PHP code is embedded within HTML code and is executed on the server-side, generating HTML output that is sent to the client's browser.
PHP can be used to perform various tasks, such as processing form data, interacting with databases, handling file uploads, creating sessions, and generating dynamic content. It has a wide range of built-in functions and features that make web development easier and faster.
Some advantages of using PHP include its simplicity, flexibility, and compatibility with different platforms and databases. It also has a large and active community, which means there are plenty of resources and support available for developers.
To use PHP, you need a web server that supports PHP (such as Apache or Nginx) and a PHP interpreter installed on the server. PHP files have a .php extension and can be embedded within HTML or standalone.
Here's an example of a simple PHP script that displays "Hello, World!" on a web page:
<!DOCTYPE html>
<html>
<head>
<title>PHP Example</title>
</head>
<body>
<?php
echo "Hello, World!";
?>
</body>
</html>
When this script is executed on a server, it will generate an HTML page with the text "Hello, World!" displayed in the browser.
PHP has evolved over the years and has a large ecosystem of frameworks, libraries, and tools that can be used to build complex web applications. Some popular PHP frameworks include Laravel, Symfony, and CodeIgniter.
Overall, PHP is a versatile and widely-used language for web development, offering a range of features and capabilities to create dynamic and interactive websites and applications.
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