php.hello - PHP

Introduction

Welcome to php.hello! This is an introductory guide to PHP programming language. If you're new to PHP, or just looking for a refresher, you've come to the right place!

What is PHP?

PHP is a server-side scripting language designed for web development. It is a popular language for developing dynamic web pages, and it is widely supported by web servers and operating systems.

Why learn PHP?

Learning PHP opens up a wide range of opportunities in web development. With PHP, you can build dynamic websites, create applications, and write scripts to automate tasks. It is a powerful language that can be used to build just about anything you can imagine.

Getting Started with PHP

Installing PHP

To get started with PHP, you'll need to install it on your computer. PHP can be installed on most operating systems, including Windows, macOS, and Linux.

On Windows

To install PHP on Windows, you can download the installer from the official PHP website. Follow the instructions to install and set up PHP.

On macOS

To install PHP on macOS, you can use the built-in Apache web server and PHP. Follow the instructions in this tutorial to set up PHP on macOS.

On Linux

To install PHP on Linux, you can use your package manager to install the PHP package. For example, on Ubuntu, you can install PHP by running the following command:

sudo apt-get install php

Writing PHP Code

Once you have PHP installed, you can start writing PHP code. PHP code is usually embedded in HTML pages, and is enclosed in special tags that tell the web server to interpret the code as PHP.

To write a basic PHP script, you can create a new file with a .php extension and add the following code:

<?php
    
    echo "Hello, world!";
    
?>

Save the file and open it in your web browser. You should see the text "Hello, world!" displayed on the screen.

Conclusion

This has been a brief introduction to PHP programming language. Hopefully, you now have a good understanding of what PHP is, why it is used, and how to get started with it. With practice and dedication, you can become a skilled PHP developer and create amazing web applications!